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MLB · Sat, May 23 · 10:10 PM

Rockies at Diamondbacks

O/U 9.5 · RL Diamondbacks -1.5 · Chase Field

GARY'S PICK
Diamondbacks Moneyline
MLBvs Rockies· -188

Diamondbacks
Moneyline

-188 · LOST · COL 3 · ARI 2

Rockies

The pick & result

Published pick
Diamondbacks ML -188
Published odds
-188
Result
Lost
Final score
3-2

Odds are the American price printed with this pick, not a current offer. Wins, losses and pushes remain on the public record; a missing grade is not a win.

The read

Chase Field is buzzing as the desert heat settles into a Saturday night showdown between NL West rivals looking for a series edge. The pitching mismatch tonight is the loudest signal on the board, as Arizona sends Zac Gallen to the mound against Michael Lorenzen. While Gallen’s season-long ERA is inflated by road struggles, he has been a different animal at Chase Field, posting a 2.70 home ERA this season. He faces a Rockies lineup that was just hollowed out by fresh injuries to Mickey Moniak and Brenton Doyle within the last 48 hours. Without Moniak’s team-leading power and Doyle’s range in center field, Colorado is forced to lean on a patchwork outfield in a stadium where defensive spacing is critical.

The offensive advantage leans heavily toward the Diamondbacks, particularly with Corbin Carroll entering the night on a 10-game hitting streak. Carroll has historically owned Lorenzen, including two career home runs, and the rest of the Arizona lineup is well-positioned to exploit Lorenzen’s league-high 1.91 WHIP. Lorenzen is currently struggling through a nightmare stretch, leading the majors in losses and coming off a start where this same Arizona squad (26-24) chased him after allowing seven runs in under five innings. The Diamondbacks’ ability to force high-stress innings early will likely break this game open before the Colorado (20-32) bullpen can stabilize the situation.

Arizona’s bullpen structure also provides a massive safety net tonight. With Paul Sewald anchoring the ninth and Juan Morillo providing elite setup work with a 2.61 ERA, the Diamondbacks are built to protect leads in a way the Rockies simply aren't right now. Colorado’s relief unit is missing its most reliable high-leverage arm in Victor Vodnik, who landed on the IL just three days ago. Even with Lourdes Gurriel Jr. hitting the IL today for Arizona, their depth with veteran hitters like Ildemaro Vargas and Nolan Arenado provides too much firepower for a struggling Rockies rotation to contain. Expect Arizona to leverage the home-field environment and the severe pitching disparity to take control of the series.

Injuries noted

Diamondbacks: [NEW] Lourdes Gurriel Jr. (LF) — Hamstring (Left): Gurriel was removed from Friday's game against the Rockies with left hamstring tightness. (May 23 — 0d ago) [KNOWN] James McCann (C) — Quadriceps (Right): Manager Torey Lovullo said Tuesday that McCann (quad) will likely be sidelined for 4-to-6 weeks, Nick Piecoro of The Arizona Republic reports. (May 19 — 4d ago) [KNOWN] Jordan Lawlar (Shortstop) — Wrist (Right): Diamondbacks manager Torey Lovullo said Monday that Lawlar has resumed light baseball activities after a CT scan showed his fractured right wrist is healing well, Alex Weiner of ArizonaSports.com reports. (May 18 — 5d ago) [KNOWN] Pavin Smith (Left Fielder) — Elbow (Left): Smith (elbow ) has begun a throwing program, MLB.com reports. (May 16 — 7d ago) [KNOWN] Carlos Santana (First Baseman) — Thigh (Right): Santana suffered a setback with his right adductor strain Sunday while on a rehab assignment with Triple-A Reno, Nick Piecoro of The Arizona Republic reports. (May 11 — 12d ago) [KNOWN] Jeff Brigham (Relief Pitcher) — Undisclosed (Not Specified): Brigham was placed on the 7-day injured list at Triple-A St. Paul, retroactive to April 6, with a left oblique strain, TwinsDaily.com reports. (May 8 — 15d ago) [KNOWN] Rene Pinto (Catcher) — Undisclosed (Not Specified): Pinto (undisclosed) began a rehab assignment Monday, Kristie Ackert of the Tampa Bay Times reports. (May 8 — 15d ago) Rockies: [NEW] Mickey Moniak (LF) — Ankle (Right): Moniak is not in the starting lineup Thursday night against Arizona. (May 22 — 1d ago) [NEW] Brenton Doyle (CF) — Oblique (Left): The Rockies announced that Doyle is considered day-to-day after suffering a left oblique contusion during Tuesday's 10-0 loss to the Rangers, Manny Randhawa of MLB.com reports. (May 21 — 2d ago) [NEW] Chase Dollander (SP) — Elbow (Right): Rockies manager Warren Schaeffer said Wednesday that Dollander (elbow) will be shut down from throwing for the next 2-to-3 weeks, MLB.com reports. (May 20 — 3d ago) [NEW] Victor Vodnik (RP) — Elbow (Right): Vodnik (1-2) picked up the win in Friday's 9-7 extra-innings victory over the Phillies, walking one and striking out two over two scoreless, no-hit innings. (May 20 — 3d ago) [NEW] Ryan Feltner (Starting Pitcher) — Elbow (Right): Feltner (elbow) struck out four and allowed three hits and no walks over 3.2 scoreless innings in a rehab start Tuesday with Double-A Hartford. (May 20 — 3d ago) [KNOWN] Jordan Beck (LF) — Hamstring (Left): Beck went 1-for-4 with a double and an RBI on Saturday against Atlanta. (May 18 — 5d ago) [KNOWN] Jimmy Herget (RP) — Shoulder (Right): The Rockies reinstated Herget (personal) from the bereavement list Tuesday. (May 14 — 9d ago)

About this analysis

Who made it
Gary AI, an AI sports-analysis product operated by Gary A.I. LLC. No human reviewer is claimed unless one is explicitly named.
Published data
Daily picks first stored May 23, 2026 at 12:47 PM ET.
Odds record
The pick receipt shows the price printed in the published ticket. The matchup market and line ladder provide separate market context. Stored sportsbook sources: fanduel, fanatics, caesars, draftkings, betmgm, betrivers.
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