Defensa Y Justicia v San Lorenzo — prediction, stats and goal analysis

Liga Profesional · Saturday, 3 October 2026. Final score 3–0 (half-time 3–0). Before kick-off we rated it 73% under 2.5 goals — the match finished with 3, so that call missed. That rating was frozen into a version-controlled ledger before the game and has not been touched since.

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Our ratings for this match

MarketYesNoOur call
Over 2.5 goals33%67%Under
Over 3.5 goals14%86%no pick
Both teams to score42%58%No

The result model puts Defensa Y Justicia at 34%, the draw at 37% and San Lorenzo at 29%, from expected goals of 0.81 and 0.72.

How we got this number

The league sets the starting point. Liga Profesional has produced over 2.5 goals in 35% of its matches, and that is where a team with no record of its own would sit.

Each side's own record. Defensa Y Justicia have 11 in 26 this season (4 of 13 at home), San Lorenzo 3 in 27 (0 of 14 away). Those records are pulled toward the league rate with the weight of about 24 matches — enough that two or three unusual games cannot swing a rating — giving 39% and 22%.

Last season still counts, briefly. With 26 and 27 games played this season, last season's rates are still blended in and fade out entirely by game 40 — the point at which our testing showed they stop adding accuracy. A single season is part luck, so each club's record is first pulled toward the league average by 34 games' weight. That moves the two figures to 38% and 25%.

The mix. Weighted 40% home side, 40% away side and 20% league — the split that beat every alternative across 30,582 matches of testing — that gives 32%.

Head to head. These sides have met 2 times in three years, producing over 2.5 goals in 50%. That nudges the number 5% of the way toward the head-to-head pattern — deliberately small, because fixtures change more than reputations do — landing on 33%.

Goal expectation. Separately a Poisson model built from attack and defence strength — using real expected-goals data where the league has it — puts this match at 20%, from expected goals of 0.81 for Defensa Y Justicia and 0.72 for San Lorenzo. Folding in 30% of that view gives 29%.

Calibration. Tested against 97,729 past matches, our ratings below 55% have run consistently too pessimistic — a figure in the high 30s, for instance, has come in about four points higher. So ratings in that range are lifted part-way back, giving 33%.

This breakdown is generated from the same inputs the rating uses, so it cannot describe a calculation we did not perform. The full model is set out in the methodology.

Season form

TeamGamesO2.5O3.5BTTS
Defensa Y Justicia2642%19%58%
San Lorenzo2711%7%30%

Head to head

16 Mar 26San Lorenzo 2–5 Defensa Y JusticiaO2.5
22 Sept 24Defensa Y Justicia 0–0 San LorenzoU2.5
8 May 23San Lorenzo 0–0 Defensa Y JusticiaU2.5
5 Sept 22Defensa Y Justicia 0–0 San LorenzoU2.5
22 Feb 22San Lorenzo 3–4 Defensa Y JusticiaO2.5

More: Defensa Y Justicia season stats · San Lorenzo season stats · Liga Profesional table and form. Ratings are calibrated probabilities, not tips — a 60% call is expected to miss two times in five.