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MLB2026 season

Boston Red Sox vs Chicago Cubs

Head-to-head win probability for MLB. Next meeting when one is scheduled, otherwise the most recent game. This season's results use the last pre-kickoff number.

Most recent meeting

Sun, Sep 27, 2026

Red Sox logo
BOS
Boston Red Sox
2
vs
Cubs logo
CHC
Chicago Cubs
6
BOS 36%64% CHC
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This season

2026 meetings. Pre-kickoff win probability and the result.

Model record on this matchup

Graded on the last pre-kickoff win probability, the same rule as the accuracy page. Preseason excluded.

Hit rate
33%
1 of 3 decided games
Meetings graded
3
2026
Correct calls
1
Favorite won

Factor comparison

Each team's top factors from this page's featured meeting.

Boston Red Sox
  • ELO Rating — Yankees ELO 1533 vs Red Sox ELO 1567 (diff: -35)
Chicago Cubs
  • Offensive Efficiency — Cubs offense (5.2 R/G) outpaces Padres (4.5 R/G)

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