Athletic Club 1-0 Osasuna – Result & Analysis

Poisson rates Athletic Club at 42% — the H2H record provides partial corroboration, though signals are mixed in this Athletic Club vs Osasuna encounter.

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Full Analysis

San Mamés plays host to Athletic Club versus Osasuna in La Liga, Regular Season - 33. Kick-off: Tuesday 21 April 2026 at 18:00 UTC.

Form & Momentum

Athletic Club have collected 1.40 PPG across 10 La Liga outings this season: 4W 2D 4L. Last five: L L W L L. They are averaging 1.30 goals per game and conceding 1.50 — a modest attacking output that tempers optimism on the Over 2.5 market. Both teams have scored in 70% of their games — a high BTTS rate that carries real weight in the goals markets.

At home at San Mamés, Athletic Club have gone 5W 1D 4L this season (10 games, 1.60 PPG). At home they are averaging 1.30 goals scored and 1.30 conceded per game. BTTS has landed in 60% of their home matches — a rate that supports the Yes angle in this fixture.

Osasuna's overall La Liga record this term: 3W 5D 2L from 10 games (1.40 PPG). Last five: D L W D D. Their scoring rate of 1.30 per game is modest, conceding 1.30 — not a side to back heavily on the Over 2.5 from their form alone. 2 clean sheets from 10 outings suggests some defensive organisation. Both teams have scored in 70% of their games — a noteworthy BTTS rate that supports the Yes market.

On the road, Osasuna have gone 2W 3D 5L from 10 away fixtures this term (0.90 PPG). Away from home they average 1.00 goals scored and 1.40 conceded per game.

A near-identical PPG reading — 1.40 for Athletic Club, 1.40 for Osasuna — means the form record is uninstructive on result selection. The goals and market sections will carry greater evidential weight.

H2H Analysis

The head-to-head record favours Athletic Club, who have won 4 of the last 9 meetings against Osasuna — a 4D 1W return for the visitors.

The 9 previous meetings have averaged 2.1 goals per game — a neutral rate that provides no strong lean on the goals market from the H2H alone. The most recent clash, on 3 Jan 2026, ended 1–1 with a draw.

The historical record gives Athletic Club a meaningful edge here — 4 wins from 9 meetings is the kind of ledger that should not be discounted when the form picture is inconclusive. Even away from home, the visitors have struggled to impose themselves in this fixture.

Trading Data

Athletic Club goal-timing and half-time pattern breakdown (69 games, 35 at home): they score before half-time in 63% of fixtures in home games; when goalless at HT, a second-half goal follows 80% of the time; BTTS occurs in 51% of their matches (home games); Over 2.5 goals lands in 43% of games (home games).

Osasuna goal-timing and half-time pattern breakdown (69 games, 35 at away): they score before half-time in 43% of fixtures in away games; when goalless at HT, a second-half goal follows 78% of the time; BTTS occurs in 46% of their matches (away games); Over 2.5 goals lands in 34% of games (away games).

BTTS rates are mixed from the trading data — Athletic Club 51% versus Osasuna 58%; no strong lean in either direction. The over/under 2.5 picture is inconclusive from the in-play data (Athletic Club 42% | Osasuna 45%).

Poisson Model

The Poisson distribution model projects Athletic Club 1.31 xG and Osasuna 1.08 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: Athletic Club attack 0.903 / defence 1.079 | Osasuna attack 0.886 / defence 0.937. League average goals — home 1.553 / away 1.124. Data: 69 Athletic Club games / 69 Osasuna games used (CurrentSeason).

Result probabilities: Athletic Club 42% | Draw 27% | Osasuna 30%. Fair-value odds: Athletic Club 2.38 | Draw 3.70 | Osasuna 3.33. This is a low-confidence result — no outcome exceeds 45%. The draw at 27% is a primary outcome, not an afterthought.

Goals markets: Over 2.5 probability 43% | BTTS probability 48% | Total xG 2.39. Under 2.5 has a narrow probability edge at 57% — total xG of 2.39 is below the line but not decisively so. BTTS probability of 48% is moderate — neither team is projected to score with enough certainty to make Yes a clear standalone call.

Picks & Verdict

On the Poisson output, Athletic Club are the pick at 42% — marginal model lean. Draw probability of 27% warrants consideration of Double Chance or Draw No Bet on Athletic Club if the outright odds are short. The opposing side holds a 30% win probability per the model — this is not a banker and should be staked accordingly.

On the goals line, Poisson's 2.39 combined xG gives a 43% probability to Under 2.5 — Poisson-only — limited corroboration.

The Poisson model's BTTS call is No at 48%. Form rates are neutral: Athletic Club 60% | Osasuna 50%.

The outsider holds a 30% 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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