Postseason Odds, Forecast version

Playing the rest of the season a million times

with some help from my forecasts

by Clay Davenport

See the original version of this report, based entirely on real data (no projections).

*** Now with ** 3 ** wild cards per league ***

Generated Sat Aug 15 07:53:17 AM EDT 2026


Average wins by position in AL East:  96.0 90.7 86.3 79.9 76.1
AL East           W    L    Pct3  Avg W  Avg L  Champions  Wild Card   Playoffs
Rays              74   47   .541   95.6   66.4   84.17580   15.81880   99.99460
Yankees           68   54   .554   90.5   71.5   13.73470   85.59590   99.33060
Red Sox           65   57   .551   86.8   75.2    2.08630   90.41320   92.49950
Blue Jays         60   64   .492   78.4   83.6     .00090   11.09680   11.09770
Orioles           59   63   .482   77.7   84.3     .00230    7.98310    7.98540

Average wins by position in AL Central:  84.6 81.9 79.7 77.1 67.5
AL Central        W    L    Pct3  Avg W  Avg L  Champions  Wild Card   Playoffs
White Sox         63   58   .487   82.7   79.3   46.75250   13.13420   59.88670
Tigers            60   62   .517   80.5   81.5   20.16960   11.80170   31.97130
Twins             60   63   .496   79.4   82.6   12.71880    8.86520   21.58400
Guardians         59   64   .528   80.7   81.3   20.35830   13.41580   33.77410
Royals            50   73   .446   67.5   94.5     .00080     .00100     .00180

Average wins by position in AL west:  85.3 81.6 78.2 66.0 62.3
AL West           W    L    Pct3  Avg W  Avg L  Champions  Wild Card   Playoffs
Astros            63   60   .549   84.5   77.5   70.87130   11.30660   82.17790
Rangers           60   63   .535   81.1   80.9   19.14390   20.01070   39.15460
Mariners          57   66   .573   79.4   82.6    9.98440   10.55700   20.54140
Athletics         48   74   .437   64.8   97.2     .00030     .00000     .00030
Angels            48   75   .428   63.6   98.4     .00010     .00000     .00010

Average wins by AL First Wild Card:  90.7
Average wins by AL Second Wild Card:  86.5
Average wins by AL Third Wild Card:  83.0

Average wins by position in NL East:  92.9 86.9 80.7 76.6 71.9
NL East           W    L    Pct3  Avg W  Avg L  Champions  Wild Card   Playoffs
Braves            73   49   .517   92.6   69.4   86.53600   12.39980   98.93580
Phillies          65   58   .574   87.1   74.9   13.29430   64.44300   77.73730
Marlins           62   61   .475   80.1   81.9     .16350    6.77510    6.93860
Nationals         60   64   .441   76.8   85.2     .00610     .71880     .72490
Mets              54   69   .480   72.4   89.6     .00010     .01220     .01230

Average wins by position in NL Central:  96.6 91.6 82.2 79.0 75.9
NL Central        W    L    Pct3  Avg W  Avg L  Champions  Wild Card   Playoffs
Brewers           75   48   .562   96.0   66.0   77.59560   22.35230   99.94790
Cubs              72   51   .531   92.2   69.8   22.39730   76.28440   98.68170
Cardinals         61   61   .470   79.2   82.8     .00230    3.92190    3.92420
Pirates           60   64   .543   80.6   81.4     .00390    7.83800    7.84190
Reds              59   62   .474   77.3   84.7     .00090    1.31620    1.31710

Average wins by position in NL West:  98.8 86.9 83.1 68.8 65.0
NL West           W    L    Pct3  Avg W  Avg L  Champions  Wild Card   Playoffs
Dodgers           74   49   .620   98.8   63.2   99.69880     .29780   99.99660
Padres            66   57   .507   85.6   76.4     .23600   60.33750   60.57350
Diamondbacks      65   58   .507   84.4   77.6     .06520   43.30300   43.36820
Giants            50   72   .450   67.4   94.6     .00000     .00000     .00000
Rockies           49   73   .439   66.3   95.7     .00000     .00000     .00000

Average wins by NL First Wild Card:  92.0
Average wins by NL Second Wild Card:  88.2
Average wins by NL Third Wild Card:  85.9

As the title says, the post-season odds report was compiled by running a Monte Carlo simulation of the rest of the season one million times. Current wins, losses and expected winning percentages are taken from the Adjusted Standings Report.

Expected winning percentages (EWP) is being driven entirely by the projections of player performance on our depth charts. The performances of every player on a team are combined to derive total team runs scored and allowed, which are averaged and normalized on a league basis, and used to calculate a won/lost record. The disadvantage of this approach is that the team's rating is entirely based on a projection of player performance. The advantage is that it can immediately respond to changes in the team's lineup, due to injury or trade. However, we still allow for uncertainty in the EWP by sampling a normal distribution centered on the EWP for each "seasonal" run. To simulate the normal 4% home-field advantage, the home team gets a .020 point bonus, while the visitors take a 0.020 penalty. The likelihood of winning each game is determined by the log5 method.

W and L are the team's wins and losses through yesterday's games.

Pct3 is the expected winning percentage, taken from W3 and L3, with the regression-to-mean component.

Avg W and Avg L are the average number of wins and losses each team finishes over the million season iterations.

Champions is how often, in percentage terms, this team won the championship of their division. Ties are not broken, but credited as 0.5 championships apiece (for a two-way tie), .333 apiece for a three-way tie, .25 for four-way, etc. This is why the final decimal place is not an error!

Wild Card is how often, in percentage terms, this team won the wild card. As with championships, ties are not broken, but apportioned among the tied teams.

Playoffs is how often, in percentage terms, the team either wins the division or the wild card.