Arizona Diamondbacks at Chicago Cubs, MLB forecast
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Win probability
Starts from the pregame forecast, then moves with the score and the time left after each inning. Above the line favors CHC.
Game center
From the ESPN box score.
Top performers
Diamondbacks- Corbin CarrollBatting2-3, 1 RBI
- Zac GallenPitching9.0 IP, 0 ER, 9 K
Cubs- Seiya SuzukiBatting2-3
- Jameson TaillonPitching6.0 IP, 0 ER, 9 K
Scoring summary
- 8Carroll singled to right, Gurriel Jr. scored, Moreno to third.1–0
- 8Pitch 2 : Ball In Play1–0
- 8Pitch 1 : Strike 1 Foul0–0
The pick
Reconstructed from what was known before the game: the ratings at that point.
Cubs 54%
Forecast Elo ratings alone
How often that comes true: MLB favorites the forecast gave 50–55% have won 52.7% of 2,871 graded games.
- Market
- No line yet
- Pre-line forecast
- CHC 54%
- Elo + market-implied
- Elo ratings
- CHC 55%
- Fair odds
- CHC -116
- ARI +116 · the forecast as odds, no margin
- Pregame projection
- ARI 5.2 – 5.5 CHC
- Margin from the forecast, total from team scoring ratings
How the number is built
Elo inputs in rating points (higher favors that team; 25–28 Elo is about a point of spread in football and basketball), then how the pieces combine.
| Factor | ARI | CHC | Why |
|---|---|---|---|
| Team rating | 1500 | 1528 | Elo entering the game; 1500 is league average |
| Home field | — | +18 | Worth 18 Elo in MLB |
| Starting pitchers | +3 | −7 | ARI: Zac Gallen: team allows 0.17 fewer runs than with its usual starter (≈10 weighted starts) · CHC: Jameson Taillon: team allows 0.35 more runs than with its usual starter (≈9 weighted starts) |
| Elo ratings | CHC +35 Elo | CHC 55.1% | |
| Market-implied ratings | CHC 53.4% | Team strength as past closing lines priced it, same game context | |
| Pre-line forecast | CHC 53.6% | 15% Elo, 85% market-implied (log-odds blend) | |
Tale of the tape
This season coming into the game, regular season, each number with its league rank (the longer the bar, the higher). Home and road: the host's record at home against the visitor's on the road.
| ARI | Stat | CHC |
|---|---|---|
| 12th of 304.7 | Runs scored | 5.16th of 30 |
| 20th of 304.8 | Runs allowed | 4.414th of 30 |
| 16th of 30−0.1 | Margin | +0.78th of 30 |
| 22nd of 304–6 | Last 10 | 7–32nd of 30 |
| 11th of 3035–33 | Road vs home | 40–3210th of 30 |
Rating history
Each team's Elo over the last two seasons. Hover or drag to compare on any date.
Recent form
Last five results, and whether the forecast hit.
Head to head
ARI 1–0 CHC in their last 1 meeting; the forecast called 0 of 1.