Matchup: Arizona Diamondbacks vs Colorado Rockies
Scheduled Date: Saturday, August 16, 2025
Venue: Coors Field, Denver, CO
Broadcast: Rockies.TV
Betting Odds: Arizona (-152) vs Colorado (+126)
The Arizona Diamondbacks (59-62) are set to face off against the Colorado Rockies (32-88) at Coors Field this Saturday. The current moneyline shows the Diamondbacks at -152 and the Rockies at +126, with an over/under total of 8.5 runs. Pitchers for this game will be Ryne Nelson and Chase Dollander.

Arizona is showcasing a slugging percentage of .441 and has a strikeout total of 957, alongside 418 walks this season. With 582 RBIs and 1,025 base hits, their batting average stands at .251. The Diamondbacks have recorded a total of 212 doubles and launched 171 home runs this year. With 595 runs scored, their on-base percentage is .326, leading to an impressive average of 4.9 runs per game, ranking them 6th in the league.
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The Diamondbacks are facing a team ERA of 4.54 this season (25th in the league), having struck out 980 batters. The pitching staff has allowed 149 home runs and 591 total runs (25th in the league). They’ve issued 384 walks and possess a FIP of 4.30 as a collective unit. Arizona has yielded 1,060 hits (averaging 8.9 per 9 innings) and 543 earned runs, resulting in a strikeout to walk ratio of 2.55 and a WHIP of 1.34.
This year, the Diamondbacks have utilized 369 relief pitchers, inheriting 128 base runners at a scoring rate of 31.3%. They have achieved 33 saves from 55 opportunities, with a success rate of 60%. The relief team has entered 120 save situations, tallying 61 holds (22nd in the league). Arizona’s pitchers have come into the game with runners on base 100 times, as well as appearing in 114 high-leverage situations.
Turning 69.1% of balls in play into outs over 9,693 innings places Diamondbacks’ defense 23rd in MLB. They’ve recorded 3,231 putouts, 1,066 assists, and 62 errors, resulting in a fielding percentage of .986, which ranks 18th in Major League Baseball. They’ve completed 93 double plays this season.
Ryne Nelson has pitched 419 innings, amassing 333 strikeouts with a career record of 25-18. His FIP stands at 4.23, having faced 1,749 batters, while his ERA is 4.29 (allowing 200 earned runs) and WHIP at 1.245. Nelson has surrendered 406 hits (averaging 8.7 hits per 9 innings) with 116 walks.
The Colorado Rockies are currently holding an on-base percentage of .296 and a batting average of .237. They rank second in baseball with 1,131 strikeouts and have recorded 957 hits. The Rockies have hit 123 home runs and driven in 436 runs. Their team slugging percentage is .392, averaging 3.73 runs per game (29th in baseball). With 195 doubles and 309 walks, they’ve managed to score 447 runs.
The Rockies have a team WHIP of 1.614 with a FIP of 5.11. Their strikeout to walk ratio is 6.80 (785 strikeouts compared to 416 walks), ranking 30th in hits allowed (1,272). They’ve conceded 175 home runs and allowed 6.65 runs per 9 innings, again ranking 30th. Colorado’s ERA stands at 6.01, having allowed 698 earned runs this season.
With 89 save situations, the Rockies have racked up 47 holds but suffered 20 blown saves. They have a success rate of 52.4% for saves, pulling through on 22 out of 42 relief opportunities. Their relievers have appeared in 115 high-leverage situations and have dealt with runners on base 129 times. The inherited score rate for Rockies relievers is 34.5%, having faced 223 inherited runners.
In 9,417 innings, Rockies defense efficiency is at 65.4% (30th in baseball). They have executed 122 double plays and maintain a fielding percentage of .979 (29th in Major League Baseball). This season, Colorado has achieved 1,136 assists, 91 errors, and 3,139 putouts.
Chase Dollander has allowed 79 hits and struck out 57 batters over 73 career innings. His ERA is 6.39, allowing 52 earned runs with a WHIP of 1.571 and FIP of 6.3. Dollander’s strikeout to walk ratio stands at 1.58 against 332 opposing hitters (with a career mark of 2-9), averaging 9.7 hits allowed per 9 innings.
Who will emerge victorious in tonight’s MLB contest against the spread or moneyline?
Tony Sink’s Prediction: Back Arizona (-152)
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