Portsmouth 4-0 Sunderland – Result & Analysis
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Poisson model rates Portsmouth at 39%, yet in-form Sunderland provide a compelling counter-argument — this Portsmouth vs Sunderland fixture contains genuine analytical tension.
✍️ Match Preview
Match Analysis
Portsmouth host Sunderland at Fratton Park in League One, Regular Season - 11. Kick-off is scheduled for Saturday 2 October 2021 at 15:00 UTC.
Form Analysis
Looking at all fixtures this season, Portsmouth stand at 3W 3D 4L from 10 League One matches — 1.20 PPG. Last five: L L D D L. They are averaging 1.00 goals per game and conceding 1.00 — a modest attacking output that tempers optimism on the Over 2.5 market. 4 clean sheets in 10 games (40%) reflects a solid defensive base. This season is still relatively young for Portsmouth, so this record blends games from this season and last.
Portsmouth's form when playing at home: 2W 1D 1L across 4 games at Fratton Park this term (1.75 PPG). At home they are averaging 1.50 goals scored and 1.00 conceded per game. 2 clean sheets from 4 home games (50%) — they are an exceptionally hard side to score against at Fratton Park. Their home PPG of 1.75 is noticeably stronger than their overall 1.20 — Portsmouth are significantly better at Fratton Park than their overall form suggests.
Across all League One games this season, Sunderland have recorded 7W 1D 1L from 9 outings — 2.44 PPG. Last five: W W D W W. Their attacking form is sharp — 2.00 goals per game is a high-output rate that commands respect in the goals markets. Defensively, 0.78 goals conceded per game is elite-level — a side this difficult to score against is a real threat to Over 2.5 and BTTS Yes. 3 clean sheets from 9 outings suggests some defensive organisation. This season is still relatively young for Sunderland, so this record blends games from this season and last.
Sunderland's away record: 1W 1D 1L from 3 road trips in League One this season (1.33 PPG). Away from home they average 1.33 goals scored and 1.33 conceded per game. BTTS has landed in 67% of their away games — meaningful support for the Yes angle in this specific context. Their away PPG of 1.33 is notably below their overall 2.44 — form away from home has been a clear weakness this season.
Despite the home advantage, the form figures favour Sunderland — 1.24 PPG ahead of the hosts (2.44 vs 1.20). That gap is large enough to take seriously. Draw No Bet on the visitors neutralises home-ground risk while maintaining the form-backed selection.
In-Play Profile
Portsmouth in-play tendencies (9 games, 3 at home): they score before half-time in 56% of fixtures; when goalless at HT, a second-half goal follows 75% of the time; BTTS occurs in 44% of their matches; Over 2.5 goals lands in 44% of games; they fail to score in 33% of games.
Sunderland in-play tendencies (9 games, 3 at away): they score before half-time in 78% of fixtures; they lead at the break 56% of the time; BTTS occurs in 56% of their matches; Over 2.5 goals lands in 67% of games.
BTTS rates are mixed from the trading data — Portsmouth 44% versus Sunderland 56%; no strong lean in either direction. The over/under 2.5 picture is inconclusive from the in-play data (Portsmouth 44% | Sunderland 67%).
Poisson Model
The Poisson distribution model projects Portsmouth 1.37 xG and Sunderland 1.29 xG. These expected goals figures are the primary input: they feed a goal-probability matrix across all scoreline combinations to derive the result and market probabilities below. Underlying strength ratings: Portsmouth attack 1.051 / defence 1.175 | Sunderland attack 0.894 / defence 1.179. League average goals — home 1.107 / away 1.231. Data: 10 Portsmouth games / 9 Sunderland games used (CurrentSeason).
Result probabilities: Portsmouth 39% | Draw 26% | Sunderland 35%. Fair-value odds: Portsmouth 2.56 | Draw 3.85 | Sunderland 2.86. This is a low-confidence result — no outcome exceeds 45%. The draw at 26% is a primary outcome, not an afterthought.
Goals markets: Over 2.5 probability 50% | BTTS probability 54% | Total xG 2.66. Over/Under 2.5 is close to a coin-flip at 50%/50% — the total xG of 2.66 sits near the 2.5 margin; this is a low-edge market from a Poisson standpoint. BTTS probability of 54% is moderate — neither team is projected to score with enough certainty to make Yes a clear standalone call.
Analysis Verdict
On the Poisson output, Portsmouth are the pick at 39% — marginal model lean. Note a divergence: in-form Sunderland (2.44 PPG) cuts against the Poisson lean — consider the strength-adjusted model over surface-level form results. With a 26% draw probability, Draw No Bet on Portsmouth offers a more defensible entry point than the straight win. The opposing side holds a 35% win probability per the model — this is not a banker and should be staked accordingly.
The Poisson model projects 2.66 xG in total — Under 2.5 at 50% — Poisson-only — limited corroboration confidence.
On the BTTS market, Poisson puts 54% on Yes. Form rates corroborate: Portsmouth 50% | Sunderland 67% BTTS from recent games.
The outsider holds a 35% win probability per the model — this is not a banker and should not be treated as one. Proportionate stakes are appropriate given the genuine contest the data projects.
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💡 Key Insights
🏟️ Match Context
• Fixture: Portsmouth vs Sunderland | Competition: League One, Regular Season - 11 | Venue: Fratton Park • Kick-off: Saturday 2 Oct 2021, 15:00 UTC • Data inputs: H2H history, form splits, prediction model signals, and market pricing
📊 Statistical Prediction
• Poisson result probabilities: Portsmouth 39% | Draw 26% | Sunderland 35% • Poisson goal markets: Over 2.5 50% | BTTS 54% | xG Portsmouth 1.37 / Sunderland 1.29 • Poisson strength factors: Portsmouth attack 1.051 / def 1.175 | Sunderland attack 0.894 / def 1.179 | league avg home 1.107 / away 1.231 • Poisson stance: Portsmouth (39%) — low confidence — close contest
🧮 Prediction Model
1.37
Portsmouth xG
Expected Goals
1.29
Sunderland xG
54%
BTTS
74%
Over 1.5
50%
Over 2.5
28%
Over 3.5
Full score-by-score matrix & model internals in the "Full Poisson Detail" section below ↓
⚠️ This analysis is generated algorithmically from statistical data and is intended for informational purposes only. It does not constitute betting advice. Please gamble responsibly.
❓ Frequently Asked Questions
What time does Portsmouth vs Sunderland kick off?
Portsmouth vs Sunderland kicked off at 15:00 on Saturday 2 October 2021 at Fratton Park.
What was the final score in Portsmouth vs Sunderland?
Portsmouth 4 - 0 Sunderland.
Where is Portsmouth vs Sunderland being played?
The match is being played at Fratton Park.
What competition is Portsmouth vs Sunderland part of?
Portsmouth vs Sunderland is a Regular Season - 11 fixture in the League One (England).
Who is favourite to win Portsmouth vs Sunderland?
Our statistical model gives Portsmouth a 39% chance of winning, Sunderland a 35% chance, and a 26% chance of a draw — making Portsmouth the favourite.
Will both teams score in Portsmouth vs Sunderland?
Our model estimates a 54% probability that both Portsmouth and Sunderland will score (BTTS).
Will Portsmouth vs Sunderland have over 2.5 goals?
Our model puts the probability of over 2.5 goals in this match at 50%.
What is the head-to-head record between Portsmouth and Sunderland?
No recorded head-to-head meetings available in the dataset.
What form are Portsmouth and Sunderland in?
Portsmouth (all comps): 3W-3D-4L in 10 | 1.20 PPG | GF 1.00 / GA 1.00 | L5 L-L-D-D-L. Sunderland (all comps): 7W-1D-1L in 9 | 2.44 PPG | GF 2.00 / GA 0.78 | L5 W-W-D-W-W.
🧮 Model Insight
How the Model Works This Match
Working from Portsmouth's attack rating (1.05) and Sunderland's defence rating (1.18), the model arrives at 1.37 expected goals for the home side. The same calculation in reverse, Sunderland's attack versus Portsmouth's defence, projects 1.29 expected goals for the visitors.
These ratings are built from 10/9 games of current-season data — a full enough sample to trust.
The Exact-Score Picture
Run the expected-goals figures through the full scoreline distribution and 1-1 emerges as the single most likely result, at 14.0%. Close behind: 0-0 (8.6%), 2-1 (8.5%). Those top three scorelines alone account for 31% of the model's total probability mass — a relatively concentrated, predictable distribution for this fixture.
Most Likely Outcome
Portsmouth Win
39%
2.58
26%
3.85
35%
2.84
Top 3 Most Likely Scorelines
1 – 1
12.4%
Draw
Most likely
1 – 0
9.6%
Home win
0 – 1
9.0%
Away win
Expected Goals & Win Odds
1.37
Portsmouth xG
Total xG
2.66
1.29
Sunderland xG
2.58
39%
Home win
3.85
26%
Draw
2.84
35%
Away win
Goals Markets
74%
Over 1.5
1.35
26%
Under 1.5
3.85
50%
Over 2.5
2.00
50%
Under 2.5
2.00
28%
Over 3.5
3.57
72%
Under 3.5
1.39
13%
Over 4.5
7.69
87%
Under 4.5
1.15
Match Markets
Both Teams to Score
54%
BTTS Yes
1.85
46%
BTTS No
2.18
Clean Sheet
27%
3.64
25%
3.94
Win to Nil
11%
9.39
9%
11.19
Score Probability Matrix (%)
| H \ A | 0 | 1 | 2 | 3 | 4 | 5 |
|---|---|---|---|---|---|---|
| 0 | 7.0 | 9.0 | 5.8 | 2.5 | 0.8 | 0.2 |
| 1 | 9.6 | 12.4 | 8.0 | 3.4 | 1.1 | 0.3 |
| 2 | 6.5 | 8.5 | 5.5 | 2.4 | 0.8 | 0.2 |
| 3 | 3.0 | 3.9 | 2.5 | 1.1 | 0.3 | 0.1 |
| 4 | 1.0 | 1.3 | 0.9 | 0.4 | 0.1 | – |
| 5 | 0.3 | 0.4 | 0.2 | 0.1 | – | – |
Green = home win · Grey = draw · Amber = away win · Outlined cell = most likely score
▶ Model Internals
❓ Frequently Asked Questions
What is the most likely scoreline for Portsmouth vs Sunderland?
Our Poisson model rates 1-1 as the single most likely exact scoreline, at 14.0%.
How many goals are Portsmouth and Sunderland expected to score?
The model projects 1.37 expected goals for Portsmouth and 1.29 for Sunderland, a combined total of 2.66.
How confident is the prediction model for Portsmouth vs Sunderland?
Not very — the model's leading outcome sits at just 39%, meaning this is rated as a genuinely open contest with no dominant favourite.
📈 Form Insight
Form at a Glance
Portsmouth's recent record stands at 2W 3D 4L from 9 games, a 1.00 PPG return, with L-L-D-D-L in the last five. The sample for Portsmouth is still a mix of this season and last, given how young the current campaign is.
Sunderland, meanwhile, have gone 7W 1D 1L across 9 games — 2.44 PPG, with W-W-D-W-W in their last five. The sample for Sunderland is still a mix of this season and last, given how young the current campaign is.
The points-per-game comparison favours Sunderland by 1.44 — a real, if not enormous, edge over Portsmouth heading into this one.
Venue Form
At home specifically, Portsmouth have managed 1W 1D 1L from 3 games — 1.33 PPG in front of their own supporters.
Sunderland's away record stands at 1W 1D 1L across 3 trips, a 1.33 PPG haul. That's a step down from their 2.44 PPG overall record — away form has been the weaker part of Sunderland's season.
Goals in Recent Form
Portsmouth are averaging 1.00 goals scored and 1.11 conceded per game recently; Sunderland are on 2.00 scored and 0.78 conceded.
Last 9 Results — League One
Current season: same league only · Previous season: all leagues (covers promoted/relegated teams)
Portsmouth
Blended
Sunderland
Blended
❓ Frequently Asked Questions
What form are Portsmouth and Sunderland in coming into this match?
Portsmouth have gone 2W 3D 4L in their last 9 games (1.00 PPG), while Sunderland have gone 7W 1D 1L in their last 9 (2.44 PPG).
Which team has the better venue record — Portsmouth at home or Sunderland away?
Portsmouth's home record (1.33 PPG) is the stronger of the two venue-specific splits — Portsmouth at home: 1.33 PPG; Sunderland away: 1.33 PPG.
Have Portsmouth or Sunderland been keeping clean sheets recently?
Portsmouth have kept a clean sheet in 33% of their recent games, Sunderland in 33%.
⚔️ Rivalry Insight
Fixture History
4 meetings separate these sides on the data we hold, the series stretching back to October 2021. The pairing has crossed competitions too — League One, Championship all feature in the head-to-head log. It has been a while since the last meeting — 5 January 2025, some 3 years back — so squads and form on both sides may look very different now.
Streaks & Records
Sunderland go into this on the back of 3 straight wins in the series — the current momentum sits squarely with them.
The biggest gap between the sides came on 2 Oct 2021, when Portsmouth won 4-0 — the largest margin of victory on record between these two.
Portsmouth's record when hosting Sunderland specifically: 1W 0D 1L from 2 games — a narrower, venue-specific slice of the head-to-head picture.
Last 4 Meetings
1
Portsmouth
0
Draws
3
Sunderland
Recent Meetings
❓ Frequently Asked Questions
What is the head-to-head record between Portsmouth and Sunderland?
From 4 meetings on record, Portsmouth have won 1, Sunderland have won 3, and 0 have been drawn.
When did Portsmouth and Sunderland last play each other?
They last met on 5 January 2025, when Sunderland 1-0 Portsmouth.
Who has won more matches between Portsmouth and Sunderland?
Sunderland have the better head-to-head record, with 3 wins from 4 meetings.
📈 Trading Insight
First-Half Patterns
Portsmouth are typically involved in an early goal — the half-time board shows at least one in 100% of their matches. They've gone in front at half-time 67% of the time, though they've let that lead slip 33% of the time they've held it — worth watching if they're only ahead by one.
Sunderland are typically involved in an early goal — the half-time board shows at least one in 67% of their matches. They've gone in front at half-time 67% of the time, though they've let that lead slip 33% of the time they've held it — worth watching if they're only ahead by one.
Full-Time Trends
Both teams scoring has been the norm for this pairing lately — Portsmouth at 67%, Sunderland at 67%. That combined rate makes BTTS Yes a well-supported trading angle.
Goals have flowed in these teams' recent matches — Over 2.5 has landed at 67% for Portsmouth and 67% for Sunderland. Stepping up a level, Over 3.5 has also landed reasonably often — 33% and 33% respectively — worth a look for goal-hungry markets.
On the defensive side: Portsmouth keep a clean sheet in 33% of their matches; Sunderland in 33%.
Current season: same league only. Previous season: all leagues (covers promoted/relegated teams). All = any venue | Venue = Portsmouth home games / Sunderland away games. HT metrics require half-time score data — shown as — where unavailable.
❓ Frequently Asked Questions
Do both teams usually score when Portsmouth play Sunderland?
Yes — based on recent matches, both teams have scored in 67% of Portsmouth's games and 67% of Sunderland's, a combined rate that favours BTTS Yes.
Is Portsmouth vs Sunderland usually a high-scoring fixture?
Recent trends suggest it could be — Over 2.5 goals has landed in 67% of Portsmouth's matches and 67% of Sunderland's.
Do Portsmouth and Sunderland tend to score early?
Portsmouth have had a goal before half-time in 100% of their recent matches, Sunderland in 67% — a useful reference point for first-half goal markets.
Dominant Portsmouth run riot with a 4-0 hammering of Sunderland.
📝 Match Report
How It Unfolded
Portsmouth beat Sunderland 4-0 at Fratton Park, Regular Season - 11, in the League One. The remainder of the report sets that outcome against the pre-match model, the markets and the teams' data profiles.
The Model vs The Result
The Poisson model went into this projecting Portsmouth 1.37 xG and Sunderland 1.29 xG, a combined 2.66. The scoreboard read 4-0 for 4 actual goals. Portsmouth beat their projection by 2.6 — clinical relative to the chances the model priced in. Sunderland landed 1.3 under their projected return. Those figures were built on strength ratings of Portsmouth attack 1.05 / defence 1.18 against Sunderland attack 0.89 / defence 1.18, drawn from 10/9 games (CurrentSeason).
On the result, the model split it Portsmouth 39% | Draw 26% | Sunderland 35%, with Portsmouth to win its most likely call at 39%. The result followed the model's preferred path, landing its top-rated outcome.
Goals & Markets
The model rated Over 2.5 goals at 50%. The game delivered 4, so it went over — in line with the projection. Over 1.5 had been 74% and landed. Over 3.5 was 28% and came in. On both teams to score, the model sat at 54% and the match did not — a miss on BTTS. Historically the two sides average 56% Over 2.5 across their same-competition games (Portsmouth 44%, Sunderland 67%), a base rate that agreed with today's over. Their combined BTTS history runs at 50%, which did not match the one-sided outcome.
Trading Patterns vs Reality
Portsmouth's trading profile (9 games, 3 home) set some clear expectations: BTTS lands in 44% of their matches — today it did not; they keep a clean sheet 33% of the time, and duly kept one.
Sunderland's trading profile (9 games, 3 away) set some clear expectations: BTTS lands in 56% of their matches — today it did not; they keep a clean sheet 33% of the time, and conceded here.
Form vs Result
On form, Sunderland arrived the stronger side — 2.44 PPG against 1.00. Form was overturned, with Portsmouth winning despite arriving in poorer recent shape. Portsmouth (home/away splits) scored 4 against a 1.33 average — above their attacking norm and conceded 0 against a 1.33 average — tighter than their form line. Sunderland (home/away splits) managed 0 against a 1.33 scoring average — below par going forward and shipped 4 against a 1.33 concession average — a leakier day than usual.
Verdict
Grading the result against the stored data, 1 of 4 pre-match signals came in: result (hit), Over 2.5 (miss), BTTS (miss), form (miss). This one broke away from the data — most of the pre-match signals were overturned by how the ninety minutes actually played out.
💡 Key Insights
⚠️ This match report is generated algorithmically from the final score, our prediction model, and each team's historical form and trading data. Analysis is for informational purposes only.