Diamondbacks vs Rockies Picks for September 24: Is Total too High?

Diamondbacks vs Rockies Picks for September 24: Is Total too High? Diamondbacks vs Rockies Picks for September 24: Is Total too High?

The Arizona Diamondbacks close a three-game set at Coors Field on Thursday afternoon with their season on the line. Arizona is 84-74 and three games back of the final National League Wild Card spot with four to play. Colorado, 57-101, hosts the last home game of a lost year. The Diamondbacks are -190 on the moneyline, but the total has already ticked down from its open, and that move shapes both plays below.

Last Updated: Thursday, September 24, 2026

Arizona Diamondbacks vs. Colorado Rockies — Time & How to Watch

WhereCoors Field, Denver, Colorado
WhenThursday, September 24 — 3:10 p.m. ET
TVRockies.TV, DBACKS.TV (MLB.TV nationally)

Arizona Diamondbacks vs. Colorado Rockies Betting Preview

The pitching matchup leads here, and on paper it is lopsided. Eduardo Rodriguez carries a 2.89 ERA and a 1.23 WHIP across 183.2 innings and 31 starts. He is not a bat-misser at 6.86 strikeouts per nine, but he limits traffic and works into the sixth. His most recent outing was his worst in months, though: seven earned runs in 5.1 innings against the Yankees on September 18.

Tanner Gordon answers for Colorado with a 6.01 ERA and a 1.55 WHIP over 100.1 innings. His command is good at 1.79 walks per nine. Everything else is not. He has allowed 19 home runs and has failed to finish five innings in three straight starts, the last of those three innings and seven earned runs against San Diego. Both arms are listed as Thursday’s probable starters.

Arizona has won four in a row and took the first two games here 7-2 and 5-3. The Diamondbacks sit three games back of the final National League Wild Card spot with an elimination number of two. Colorado has lost three straight and eight of 10. The Rockies are 32-48 at home and have scored four runs or fewer in four of their last five. Arizona leads the season series 8-4.

Bullpen state matters on getaway day. Colorado’s relievers have covered nine innings across the first two games of this series, including a four-inning, 53-pitch outing from Zach Agnos on Tuesday. Arizona’s pen has thrown 5.2 innings.

Arizona Diamondbacks vs. Colorado Rockies Odds

Run LineMoneylineTotal
Diamondbacks-1.5 (-120)-190U 10 (-105)
Rockies+1.5 (+100)+156O 10 (-115)

Odds accurate as of Thursday, September 24, 2026 via TheSpread.com. Odds change, get the latest MLB OddsFuturesProps

Arizona Diamondbacks vs. Colorado Rockies — Who Is the Public Betting?

Diamondbacks86%14%Rockies

See the latest MLB Public Betting Splits and make smarter wagers!

Diamondbacks vs. Rockies Prediction — Total too High?

The most informative thing on this board is what the number did overnight. The total opened at 10.5 with the under juiced to -125. It now sits at 10, over -115 and under -105. That is a half-run move through the number itself, not a price adjustment, and the under actually got cheaper as the line came down. That pattern points to a baseball reason rather than to balancing action.

The run environment backs that up. The last five games at Coors Field have produced nine runs or fewer, including a 2-1 Seattle win on September 20 and both games of this series. Colorado’s offense has gone quiet as well. Rodriguez limits baserunners, and that is the profile that travels best to Denver.

The case against is real, and its name is Tanner Gordon. A starter who cannot get through five, in this park, in front of a bullpen carrying nine innings in two days, is how a total of 10 gets cleared by the sixth. Rodriguez also just surrendered seven runs. This is a lean built on a market move and a stretch of quiet nights, not on a belief that altitude stopped mattering.

The Pick: Under 10 (-105)

Diamondbacks vs. Rockies Prediction — Run Line Value?

The public has picked a side, and it is not subtle. Arizona is drawing 86% of run-line tickets and 91% of moneyline tickets, and the market moved with the crowd. The moneyline went from -179 to -190, and the Diamondbacks’ -1.5 stiffened from -110 to -120. Movement with the public carries little signal, but it prices out the value. Laying -190 needs a win rate near 66%, and -1.5 at -120 needs a two-run margin in a game the same market just marked down.

The other side of that ledger improved. Colorado’s +1.5 opened at -110 and now sits at +100, a better number on a home underdog in a game projecting tighter than it did a night ago. Roughly 28% of major league games are decided by one run, and a lower-scoring projection pushes more outcomes into that band. The counter is straightforward. Arizona is the better team by a wide margin, it is playing for its postseason life, and a road favorite covers -1.5 more comfortably because it always bats in the ninth. See also our Marlins vs. Cubs prediction.

The Pick: Rockies Run Line +1.5 (+100)

Final Thoughts and Bonus Angle

Both plays rest on the same read: this game is likelier to stay tight and low-scoring than the pre-series market expected. That is worth saying plainly rather than dressing it up as two independent angles. The positions are correlated. If Gordon is knocked around early and Colorado’s tired bullpen follows him, both sides of the ticket are in trouble at once.

The swing point is the fifth and sixth innings. If Rodriguez gives Arizona six, the game holds the shape both picks need. If he does not, the middle innings open up. Watch how long Colorado lets Gordon face the order a third time.

Arizona then finishes the season at San Diego, the club holding the top Wild Card spot, so a win here only keeps the math alive. Our recent Padres vs. Dodgers prediction covers where San Diego stands.

Both picks from this article in one place:

  • Under 10 (-105)
  • Rockies Run Line +1.5 (+100)

MLB Diamondbacks vs. Rockies FAQ: Thursday September 24, 2026

What time does the Diamondbacks vs. Rockies game start?

First pitch is 3:10 p.m. ET on Thursday, September 24, 2026, which is 1:10 p.m. local time in Denver. Both clubs travel afterward to open their final regular season series on Friday.

What channel is the Diamondbacks vs. Rockies game on?

Local coverage runs on Rockies.TV in the Colorado market and DBACKS.TV in the Arizona market, with MLB.TV carrying the game nationally subject to standard blackout rules. Radio is on KOA 850 AM/94.1 FM in Denver and Arizona Sports 98.7 FM in Phoenix.

Who is pitching for the Rockies today?

Right-hander Tanner Gordon is the listed probable starter for Colorado. He carries a 6.01 ERA and a 1.55 WHIP across 100.1 innings this season, with 84 strikeouts against 20 walks. Gordon has not completed five innings in his last three starts. Eduardo Rodriguez starts for Arizona.

Who won the last meeting between the Diamondbacks and Rockies?

Arizona won 5-3 at Coors Field on Wednesday, September 23, 2026, a night after taking the series opener 7-2. The Diamondbacks lead the season series 8-4 with Thursday’s finale still to play.