Colorado Rockies vs Arizona Diamondbacks Prediction, 8/12/2026 MLB Picks, Best Bets & Odds

Game: Colorado Rockies vs Arizona Diamondbacks

Date: Wednesday, August 12, 2026

Location: Chase Field in Phoenix, AZ

TV: DBACKS.TV

Odds/Point Spread: Colorado (+162) Arizona (-196)

Chase Field is where the Arizona Diamondbacks (63-56) will take on the Colorado Rockies (46-72) on Wednesday. The odds on this game have Colorado at +162 while Arizona is priced at -196. The total comes in at 9. The pitchers taking the mound will be Ryan Feltner and Merrill Kelly.

Colorado owns a slugging percentage of .422 and have been called out on strikes 1,019 times, while being walked on 361 occasions. They have amassed 545 RBI's in addition to 1,029 hits on the year, while their average at the plate is sitting at .256. The Rockies have tallied 217 two-baggers as a squad and have hit 134 balls out of the stadium. They have racked up 568 runs scored and hold an on-base percentage of .324. As a team, the Colorado Rockies are putting up 4.8 runs per outing, which ranks them 7th in the league.

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They have a strikeout to walk ratio of 2.13 and their pitching staff has earned a collective WHIP of 1.52. Rockies pitchers have given up 164 long balls and 678 runs in total (30th in the league). Colorado has conceded 1,189 hits (10.3 per 9 innings) and 631 earned runs. The Rockies hold a team earned run average of 5.48 on the campaign (30th in baseball), and their staff has struck out 815 batters. Their pitching staff has walked 382 opposing players and their FIP sits at 4.81 as a team on the campaign.

The Rockies bullpen have accumulated a save percentage of 57.4% and have entered the game in 93 save situations. They have 27 saves over the course of the season and have blown 20 of 47 save opportunities. The relievers have inherited 187 base runners for the year with 30.5% of them ended up crossing the plate. Rockies pitchers have entered the contest with players on base 119 times as well as having 111 appearances in high leverage situations. The Rockies have sent 353 relievers to the mound for the season. The relievers have earned 44 holds so far this year (29th in baseball).

The Rockies have transformed 66.7% of balls in play into outs out of 9,330 innings, which has them ranked 30th in MLB. The Colorado Rockies have accounted for 3,110 putouts this year, in addition to 996 assists and 76 errors. Their fielding percentage is at .982 which ranks 27th in MLB, and have a total of 97 double plays.

Feltner (13-32 win-loss record in his career) has a FIP of 5.22 and he has faced 1,847 batters during his time in the majors. He has surrendered 440 base knocks (9.4 hits per 9 innings) with 165 free passes. His ERA is 5.30 (248 earned runs allowed) and he has a career WHIP of 1.436. Feltner has pitched in 421 frames and has accumulated 350 K's during his pro baseball career.

The Diamondbacks hold a slugging % of .394 and they are scoring 4.51 runs per game (12th in MLB). They have put up 204 doubles, while taking a walk 396 times as well as notching 537 runs. Arizona has hit 114 long balls this season to go along with 510 runs batted in. They have struck out on 869 instances (29th in the league) and have totaled 965 base hits. The Arizona Diamondbacks are sitting with an on-base percentage of .314 and a batting average of .242 so far this year.

The Diamondbacks have a WHIP of 1.291 with a FIP of 4.36 as a team this season. They rank 24th in the league as a pitching staff in total hits relinquished with 1,017. The Arizona pitching staff have surrendered 532 runs for the season and come in with a team ERA of 4.15 (487 earned runs relinquished). Their strikeout to walk ratio sits at 6.90 (808 strikeouts vs 348 free passes). They have relinquished 137 HR's and they yield 4.53 runs per 9 innings (17th in baseball).

They are currently ranked 12th in the league with a save rate of 66.7%, and they have dispatched 395 relievers to the mound over the course of the season. Their relievers have stepped onto the mound 129 times in high leverage situations and also on 105 occasions with runners on. Sitting with 116 save situations, the Diamondbacks have amassed 70 holds and also 15 blown saves. Arizona has had bullpen pitchers step onto the hill in 45 save opportunities and they have converted 30 saves. Arizona relievers have an inherited score percentage of 25.0% out of 156 inherited runners.

In their 9,513 innings on the field, the Diamondbacks hold a efficiency on defense of 71.0% (9th in pro baseball). The Arizona Diamondbacks have gotten 106 double plays and have a fielding rate of .990 (2nd in the majors). The Diamondbacks have accrued 1,043 assists, 44 errors and have notched a total of 3,171 putouts on the season.

Kelly (73-62 career win-loss record) holds a 3.89 earned run average while allowing 8.2 hits per 9 innings. He has a strikeout to walk ratio of 2.83 and he has gone up against 4,662 batters in his MLB career. He has given up a total of 487 ER's while holding a WHIP of 1.226 and having a FIP of 3.8. In his pro baseball career, Kelly has conceded 1,033 base knocks while totaling 991 K's in 1,128 innings.

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

Parlay's Pundit's Pick: Take Arizona (-196) and under 9 runs

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