Track game-by-game runs for and against to see whether the record matches the team performance underneath it.
See total margin, recent form, expected wins, close-game pressure, and blowout context without reading a long scorebook.
Total run diff
5Positive marginGames
8Record 5-2-1
Runs for
38Runs against 33
Average run diff
0.6Last 5 run diff 3
Goal pace
123.5%Expected wins 4.6
Set the team name and season goal so the differential can be read against the record pace.
Enter runs scored and allowed for each game. Notes help explain whether the margin came from bullpen, offense, defense, or schedule.
| Date | Opponent | Venue | Runs scored | Runs allowed | Diff | Result | Note | |
|---|---|---|---|---|---|---|---|---|
| 2 | W | |||||||
| -4 | L | |||||||
| 4 | W | |||||||
| 1 | W | |||||||
| -6 | L | |||||||
| 1 | W | |||||||
| 0 | T | |||||||
| 7 | W |
Run differential = RS - RA. Pythagorean win % = RS^2 / (RS^2 + RA^2).
Use the same scoring source for every game so the comparison stays consistent.
A positive differential with poor record often points to close-game execution.
A negative recent differential can signal fatigue, injuries, or tougher schedule even when season totals look fine.
Pythagorean expected wins are an estimate, not an official standings rule.
Run differential is runs scored minus runs allowed. It helps separate team strength from close-game luck, bullpen timing, and schedule swings.
A positive number means the team scored more than it allowed. Larger positive margins usually signal stronger underlying play.
A team can have a good run differential but a weaker record if it loses close games or wins blowouts.
For leagues or scrimmages with ties, include them in game count while still using scored and allowed runs for differential.
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