MLB playoff odds are based on 25000 simulations of the rest of the season and playoffs. The team's estimated quality is determined by their performance over their last 100 regular season games (even if it spans seasons) and includes a regression to the mean factor. These results are based on standings through 1903-09-29. This page does not update during the postseason.

Playoff Odds Table
Current Remaining Average 90% Confidence Change
Tm Lg SRS rSOS W L W L W L Best Worst Pennant Win WS 1 Day 7 Days 30 Days
NL
1Pittsburgh PiratesNL1.20.091490.00.091.049.091-4991-49>99.9%47.7%0.0%0.0%+1.3%
2New York GiantsNL0.8-0.184550.00.084.055.084-5584-55<0.1%<0.1%0.0%0.0%-0.9%
3ChicagoNL0.20.182560.00.082.056.082-5682-56<0.1%<0.1%0.0%0.0%-0.4%
4Cincinnati RedsNL1.00.174650.00.074.065.074-6574-65<0.1%<0.1%0.0%0.0%0.0%
5Brooklyn SuperbasNL0.00.070660.00.070.066.070-6670-66<0.1%<0.1%0.0%0.0%0.0%
6Boston NationalsNL-1.20.258800.00.058.080.058-8058-80<0.1%<0.1%0.0%0.0%0.0%
7Philadelphia PhilliesNL-0.20.249860.00.049.086.049-8649-86<0.1%<0.1%0.0%0.0%0.0%
8St. Louis CardinalsNL-1.70.343940.00.043.094.043-9443-94<0.1%<0.1%0.0%0.0%0.0%
Current Remaining Average 90% Confidence Change
Tm Lg SRS rSOS W L W L W L Best Worst Pennant Win WS 1 Day 7 Days 30 Days
AL
1Boston AmericansAL1.3-0.191470.00.091.047.091-4791-47>99.9%52.3%0.0%0.0%+0.3%
2Cleveland NapoleonsAL0.60.077630.00.077.063.077-6377-63<0.1%<0.1%0.0%0.0%-0.3%
3Philadelphia AthleticsAL0.20.075600.00.075.060.075-6075-60<0.1%<0.1%0.0%0.0%0.0%
4New York HighlandersAL0.30.072620.00.072.062.072-6272-62<0.1%<0.1%0.0%0.0%0.0%
5Detroit TigersAL0.10.065710.00.065.071.065-7165-71<0.1%<0.1%0.0%0.0%0.0%
6St. Louis BrownsAL-0.40.065740.00.065.074.065-7465-74<0.1%<0.1%0.0%0.0%0.0%
7Chicago White SoxAL-0.60.160770.00.060.077.060-7760-77<0.1%<0.1%0.0%0.0%0.0%
8Washington SenatorsAL-1.50.243940.00.043.094.043-9443-94<0.1%<0.1%0.0%0.0%0.0%

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