Colorado Rockies at Arizona Diamondbacks, 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 ARI.
Game center
From the ESPN box score.
Top performers
Rockies- Ryan McMahonBatting4-5, 1 HR, 3 RBI
- Karl KauffmannPitching4.0 IP, 7 ER, 1 K
Diamondbacks- Pavin SmithBatting1-3, 1 HR, 3 RBI
- Ryne NelsonPitching5.0 IP, 5 ER, 1 K
Scoring summary
- 5McMahon tripled to right, Bryant scored.5–7
- 5Pitch 4 : Ball In Play5–7
- 5Pitch 3 : Ball 24–7
- 5Pitch 2 : Strike 1 Looking4–7
- 5Pitch 1 : Ball 14–7
- 4Gurriel Jr. homered to left center (386 feet).4–7
- 4Pitch 2 : Ball In Play4–7
- 4Pitch 1 : Ball 14–6
- 3Moreno hit sacrifice fly to center, Rivera scored.4–6
- 3Pitch 2 : Ball In Play4–6
- 3Pitch 1 : Strike 1 Looking4–5
- 2Smith homered to center (426 feet), Rojas scored and McCarthy scored.4–5
- 2Pitch 1 : Ball In Play4–5
- 2McCarthy singled to left, Rivera scored and Walker scored, Rojas to second.4–2
- 2Pitch 2 : Ball In Play4–2
- 2Pitch 1 : Ball 14–0
- 2McMahon singled to left, Tovar scored, McMahon thrown out at second, Profar to third.4–0
- 2Pitch 2 : Ball In Play4–0
- 2Pitch 1 : Ball 13–0
- 2Tovar doubled to center, Doyle scored and Moustakas scored, Tovar to third.3–0
- 2Pitch 1 : Ball In Play3–0
- 1McMahon homered to center (445 feet).1–0
- 1Pitch 4 : Ball In Play1–0
- 1Pitch 3 : Ball 20–0
- 1Pitch 2 : Strike 1 Looking0–0
- 1Pitch 1 : Ball 10–0
The pick
Reconstructed from what was known before the game: the ratings at that point.
Diamondbacks 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
- ARI 54%
- Elo + market-implied
- Elo ratings
- ARI 57%
- Fair odds
- ARI -119
- COL +119 · the forecast as odds, no margin
- Pregame projection
- COL 4.6 – 4.9 ARI
- 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 | COL | ARI | Why |
|---|---|---|---|
| Team rating | 1485 | 1509 | Elo entering the game; 1500 is league average |
| Home field | — | +18 | Worth 18 Elo in MLB |
| Starting pitchers | −19 | −13 | COL: Karl Kauffmann: team allows 0.97 more runs than with its usual starter (≈2 weighted starts) · ARI: Ryne Nelson: team allows 0.64 more runs than with its usual starter (≈7 weighted starts) |
| Elo ratings | ARI +49 Elo | ARI 57.0% | |
| Market-implied ratings | ARI 53.9% | Team strength as past closing lines priced it, same game context | |
| Pre-line forecast | ARI 54.3% | 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.
| COL | Stat | ARI |
|---|---|---|
| 11th of 304.6 | Runs scored | 5.06th of 30 |
| 29th of 305.5 | Runs allowed | 4.823rd of 30 |
| 26th of 30−0.9 | Margin | +0.211th of 30 |
| 12th of 305–5 | Last 10 | 6–46th of 30 |
| 27th of 309–16 | Road vs home | 15–1215th 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
COL 1–2 ARI in their last 3 meetings; the forecast called 1 of 3.