Colorado Rockies vs Arizona Diamondbacks Prediction, 5/18/2025 MLB Picks, Best Bets & Odds

Game: Colorado Rockies vs Arizona Diamondbacks

Date: Sunday, May 18, 2025

Location: Chase Field in Phoenix, AZ

TV: DBACKS.TV

Odds/Point Spread: Colorado (+126) Arizona (-152)

The Colorado Rockies (7-36) are headed to Chase Field on Sunday where they will play the Arizona Diamondbacks (23-21). The moneyline on this game has the Rockies at +126 and the Diamondbacks are coming in at -152. The over/under is set at 8. The men taking the mound are Chase Dollander and Merrill Kelly.

Colorado has a slugging percentage of .353 and have struck out 418 times, while taking a walk on 121 occasions. They have earned 137 runs batted in and 306 hits for the season, while their team batting average comes in at .216. The Rockies have earned 64 two-baggers as a squad and have smacked 36 baseballs out of the stadium. They have earned a total of 138 runs scored while holding a team on-base percentage of .283. As a squad, the Colorado Rockies are notching 3.2 runs per game, which puts them at 29th in the league.

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They have earned a strikeout to walk ratio of 1.87 and their pitching staff has earned a collective WHIP of 1.59. Rockies pitchers have surrendered 53 home runs and 275 total runs (30th in baseball). Colorado has given up 442 base hits (10.7 per 9 innings) as well as 237 earned runs. The Rockies have an earned run average of 5.73 over the course of the season (30th in baseball), and their staff has rung up 283 hitters. They have walked 151 opposing players and their FIP comes in at 4.75 as a unit this year.

Rockies relief pitchers have entered the game with runners on 55 times as well as having 37 appearances in high leverage situations. The bullpen have accumulated 11 holds for the season (30th in the league). The Rockies relievers have a save percentage of 45.5% and have stepped onto the mound in 22 save situations. They have accumulated 5 saves on the campaign and have missed out on 6 out of their 11 chances to get a save. The relievers have inherited 101 runners on the season and 35.6% of those players crossed the plate. The Rockies have sent 141 relievers to the mound for the season.

The Rockies have turned 65.2% of balls hit into play into outs out of their 3,348 innings, which has them ranked 30th in baseball. The Cleveland Guardians have accounted for 1,116 putouts on the campaign, in addition to 423 assists and 36 errors. Their fielding percentage sits at .977 which has them sitting 29th in the majors, and have a total of 37 double plays.

Dollander has taken the hill for 34 frames and has 32 K's during his pro baseball career. Dollander (2-4 win-loss mark in his career) has a FIP of 6.78 while he has gone up against 152 batters in the major leagues. His ERA is 6.88 (26 ER's allowed) and his career WHIP is 1.471. He has given up 34 base knocks (9.0 hits per 9 innings) and has had 16 free passes.

The Diamondbacks have a team slugging % of .444 and they are recording 5.05 runs per outing (5th in baseball). They have tallied 88 two-baggers, while walking 173 times and recording 222 runs. Arizona has accounted for 61 home runs on the year as well as 217 RBIs. They have struck out on 335 occasions (25th in MLB) and have totaled 374 base hits. The Arizona Diamondbacks have earned an on-base percentage of .335 in addition to a batting average of .252 on the campaign.

The Arizona pitching staff have given up 226 runs this year while having a team ERA of 4.71 (206 earned runs surrendered). They have yielded 59 homers and they allow 5.16 runs per 9 innings (24th in MLB). The Diamondbacks have a WHIP of 1.350 in addition to having a FIP of 4.37 as a unit for the year. They currently have a K/BB ratio of 8.70 (381 strikeouts vs 148 walks). They have a ranking of 24th in MLB as a staff in total hits relinquished with 384.

Arizona relievers hold an inherited score rate of 33.3% of 42 inherited base runners. Their relievers have come in 44 times in high leverage situations in addition to 35 occasions with runners on base. Sitting with 51 save situations, the Diamondbacks have 27 holds and also 8 blown saves. They rank 11th in MLB holding a save percentage of 65.2%, and they have sent 131 relief pitchers to the hill this season. Arizona has had bullpen pitchers step onto the mound in 23 save opportunities and they have recorded 15 saves.

The Arizona Diamondbacks have turned 33 double plays and hold a fielding percentage of .984 (21st in the majors). The Diamondbacks have 393 assists, 25 errors and have earned a total of 1,182 putouts so far this year. Out of their 3,546 innings played, the Diamondbacks have a defensive efficiency of 68.8% (21st in pro baseball).

During his pro baseball career, Kelly has surrendered 792 hits while he has totaled 785 strikeouts in 875 innings. He has given up 371 ER's while holding a WHIP of 1.207 and having a FIP of 3.8. He has a strikeout to walk ratio of 2.97 and he has gone up against 3,601 batters so far in his pro baseball career. Kelly (57-46 career mark) holds a 3.82 earned run average while allowing 8.1 hits per 9 innings.

Who will win tonight's MLB game against the spread or moneyline?

Parlay's Pundit's Pick: Take Arizona (-152) and under 8 runs

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