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Early Preview Lineups: Confirmed Odds Posted 7 min read

Colorado Rockies vs Detroit Tigers Preview

COL at DET 2026-09-12 preview: probable pitchers, projected lineups, NRFI/F5 model picks, weather, ballpark, and umpire context.

Colorado Rockies at Detroit Tigers MLB game preview for September 12, 2026
COL
Colorado Rockies
Tanner Gordon RHP
@
1:10 PM ET
Comerica Park
DET
Detroit Tigers
Andrew Sears LHP
Last updated Saturday, September 12, 2026
Final This game has finished. Read the recap for final score, model grades, and box score.

Key Facts

Matchup
Colorado Rockies at Detroit Tigers
Date
Saturday, September 12, 2026
First Pitch
1:10 PM ET
Venue
Comerica Park
Probable Starters
Tanner Gordon (RHP) vs Andrew Sears (LHP)
Lineups
Confirmed
Odds Snapshot
Sep 12, 1:10 PM ET
Last Updated
Sep 12, 7:23 AM ET

Betting Board

Snapshot Sep 12, 1:10 PM ET
Moneyline
COL +145
DET -159
Total
Over 8.5 -102
Under 8.5 -118
Run Line
COL +1.5 -151
DET -1.5 +125

Model Angles

NRFI Model
YRFI · 47%
-8.2% edge
Projected Total
5.3
model combined runs
Park Factor
0.98
Neutral · HR 0.95
First Pitch Weather
76°F
7 mph SSW
The Rockies bring a 55-92 record into Comerica Park for a Thursday afternoon test against a Tigers team riding a two-game winning streak. Detroit sits at 68-79, and the projected total of 5.1 runs suggests a pitcher-friendly environment despite recent trends at the venue. Tanner Gordon gets the call for Colorado. The right-hander carries a 5.40 ERA and 1.43 WHIP into the assignment, striking out 7.33 per nine. His first-inning work has been solid, posting a 70 percent NRFI rate over ten starts. Andrew Sears counters for Detroit. The southpaw has logged a 4.38 ERA and 1.22 WHIP, with 5.84 strikeouts per nine. Neither pitcher profiles as a high-volume strikeout arm, and both K projections fall below the posted lines. Gordon is projected at 3.0 strikeouts against a 3.5 line, while Sears checks in at 3.1 versus a 4.0 mark. Confidence on both K models sits at five out of ten. The NRFI model shows 46 percent probability with a negative 4.8 percent edge on the yes-runs-first-inning side, even as Comerica has delivered first-inning runs in just three of the last ten games. Park factor sits at 0.98, slightly suppressing run expectation. Weather reads 79 degrees with a nine-mile-per-hour breeze out of the southwest. Colorado's bullpen is fully rested at 100 out of 100, while Detroit's relief corps sits at 70. Key bats to watch include Jake McCarthy, who carries a.298 average against left-handed pitching, and Cole Carrigg at.322 versus lefties. TJ Rumfield brings a 16.7 percent barrel rate to the table. The matchup splits favor the Rockies' left-handed hitters, but Gordon's elevated ERA and WHIP present risk on the road.
  • Gordon owns a 70 percent NRFI rate over 10 starts
  • Both K projections fall below posted lines with neutral leans
  • Comerica has hit NRFI in 70 percent of last 10 games

Pitching Matchup

COL Away
Tanner Gordon
RHP · 1-4 · 10 GS
ERA
5.55
WHIP
1.48
K/9
7.49
IP
97.1
Career: 6.35 ERA · 1.53 WHIP · 7.35 K/9
NRFI: 60.7%
1st Inn ERA: 6.39
DET Home
Andrew Sears
LHP · 0-1 · 2 GS
ERA
5.40
WHIP
1.38
K/9
7.02
IP
16.2
Career: 5.40 ERA · 1.38 WHIP · 7.02 K/9

On the season, Andrew Sears holds the ERA edge in this matchup. Tanner Gordon carries a 5.55 ERA and 1.48 WHIP, while Andrew Sears sits at 5.40 ERA and 1.38 WHIP.
Strikeout rates: Tanner Gordon at 7.49 K/9, Andrew Sears at 7.02 K/9.
K projections: Tanner Gordon at 3.0 (line 3.5)
Andrew Sears projected at 3.1 (line 4.0).
Tanner Gordon has a 60.7% career NRFI rate. No first-inning data available for Andrew Sears.
This is a RHP vs LHP matchup, creating potential platoon advantages in both lineups.

Strikeout Projections

Tanner Gordon vs DET
Proj: 3.0Line: 3.5
-0.5
Confidence:
Andrew Sears vs COL
Proj: 3.1Line: 4.0
-0.9
Confidence:
View all K projections on SlateIQ

Our strikeout model weighs pitcher K rate, opponent lineup whiff tendency, park factors, and umpire zone size to project total strikeouts per starter.

Tanner Gordon (Colorado Rockies) is projected for 3.0 strikeouts against a posted line of 3.5. The projection is close to the line with no actionable edge.
He faces a high-K lineup that strikes out at 25.4% with a 28.0% whiff rate.

Andrew Sears (Detroit Tigers) is projected for 3.1 strikeouts against a posted line of 4.0. The projection is close to the line with no actionable edge.
He faces a high-K lineup that strikes out at 25.2% with a 28.0% whiff rate.

The Detroit Tigers lineup is more vulnerable to strikeouts in this matchup. Detroit Tigers batters K at 25.4%, Colorado Rockies batters at 25.2%.

NRFI & First 5 Analysis

NRFI Model
46.7%
probability of YRFI
+-8.2%
market edge
Monitor
Market implied: 54.9%Model: 46.7%
First 5 Innings
2.9est. F5 runs
COL
5.55 ERA
9.7 inn/start
DET
5.40 ERA
8.1 inn/start
F5 lean: Even matchup
COL K Projection
Tanner Gordon
3.0proj
Line: 3.5
-0.5 NEUTRAL
Confidence
DET K Projection
Andrew Sears
3.1proj
Line: 4.0
-0.9 NEUTRAL
Confidence
Explore all model projections

Our NRFI model analyzes both starting pitchers' first-inning profiles, the top-of-order hitters in each lineup, the umpire's historical zone, and environmental factors to produce a probability estimate. For this game, the model assigns a 46.7% probability of no runs in the first inning, compared to the market's implied probability of 54.9%.

  • That creates a slim -8.2% edge on YRFI.
  • The best available line is NRFI -122 / YRFI +100 at FanDuel.
  • Home plate umpire Ryan Blakney runs a wide zone. See the umpire section below for full career data.
  • Our NRFI model sits at 154-136 (53.1%) on official picks this season.

Prop Edges

1 model signal detected
Home Run Very Strong 0.5
13.8%
See all today's picks and edges

Lineup & Matchup Breakdown

Colorado Rockies Confirmed
K%: 25.2
1Jake McCarthyLLF
4TJ RumfieldL1B
5Cole CarriggSCF
Whiff rate: 28.0%Team page
Detroit Tigers Confirmed
K%: 25.4
2Hao-Yu LeeR2B
5Eduardo ValenciaRC
Whiff rate: 28.0%Team page
Batter vs Pitcher matchup tool

Lineups are confirmed as of this writing.

Colorado Rockies K vulnerability: 25.2% strikeout rate, 28.0% whiff rate.

Detroit Tigers K vulnerability: 25.4% strikeout rate, 28.0% whiff rate.

Ballpark, Weather & Umpire

Comerica Park
Run Factor0.98
HR Factor0.95
Full park profile
Home Plate Umpire
Ryan Blakney
Wide NRFI: 42.9% 7 games
Full umpire profile
Hourly Game Forecast
76°
1 PM
7 mph
SSW
78°
2 PM
7 mph
SSW
81°
3 PM
7 mph
SSW
81°
4 PM
9 mph
SSW
  • Comerica Park carries a 0.98 run factor (neutral).
  • Home run factor: 0.95 — the park neutral for HR power.
  • Park notes: Very deep center field (420ft); Tiered elevation; Wind patterns from Great Lakes.
  • First pitch forecast: 76F with 7 mph winds from the SSW. Humidity: 85%.
  • Temperature drops from 76F at first pitch to 81F by the late innings.
  • Home plate umpire: Ryan Blakney.
  • Career NRFI rate: 42.9% across 7 games tracked.
  • Zone tendency: Wide.
  • K factor: 1.032 (above average strikeouts in his games).

Run Projections & Total

  • Our projection model puts the total at 5.3 combined runs, with Colorado Rockies projected for 2.5 and Detroit Tigers for 2.8.
  • That's 3.2 runs below the posted total of 8.5, suggesting a lean toward the Under.
  • The run projection is essentially a coin flip between these two teams.
The Bottom Line
The model projects a tight, low-scoring affair with a 5.1 total and neither starter offering much strikeout upside. Gordon's 70 percent first-inning NRFI rate aligns with recent Comerica trends, where seven of the last ten games stayed scoreless in the first frame. The NRFI edge, however, sits at negative 4.8 percent, pointing away from the yes-runs side but not screaming confidence on the no. Both K lines carry neutral leans with medium-low confidence, so chasing strikeout props here means accepting fair pricing at best. The bullpen fatigue split tilts toward Colorado, but Sears' lower ERA and WHIP offer Detroit some stability through five. Focus remains on the total and NRFI, where the park factor and pitcher profiles converge.
This preview is generated from thecapper.io projection models and publicly available data. All projections are model estimates, not guarantees. Gamble responsibly. If you or someone you know has a gambling problem, call 1-800-GAMBLER.