New York Mets vs Arizona Diamondbacks Outlook, 5/9/2026 MLB Insights, Top Picks & Odds

Home » New York Mets vs Arizona Diamondbacks Outlook, 5/9/2026 MLB Insights, Top Picks & Odds

  • Matchup: New York Mets vs Arizona Diamondbacks
  • Date: Saturday, May 9, 2026
  • Venue: Chase Field, Phoenix, AZ
  • Broadcast: DBACKS.TV
  • Betting Odds: New York (-130), Arizona (+110)

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Chase Field is set to host the Arizona Diamondbacks (17-19) as they face off against the New York Mets (14-23) this Saturday. The betting line has New York favored at -130 while Arizona opens at +110. The over/under for this matchup is set at 8 runs. Pitchers Clay Holmes and Merrill Kelly will take the mound for their respective teams.

MLB predictions for New York Mets and odds

The New York Mets are currently batting .351, with 287 strikeouts and 110 walks drawn. So far, they have accumulated 127 RBIs from 283 hits, showcasing a batting average of .229. Collectively, the Mets have hit 50 doubles and 30 home runs this season, totaling 134 runs scored and achieving an on-base percentage of .293. On average, they are managing just 3.6 runs per game, ranking 29th in Major League Baseball.

The Mets have a team ERA of 4.01, placing 13th in the league, alongside 351 strikeouts by their pitching staff. They have conceded 33 home runs and allowed a total of 162 runs (also 13th in the league), along with 129 walks issued. New York’s FIP stands at 3.60, having conceded 295 hits (8.0 per 9 innings) and 148 earned runs. Their strikeouts-to-walks ratio is 2.72, and they carry a WHIP of 1.28.

Mets relievers have recorded a save percentage of 50.0% after entering 22 save situations, netting 5 saves alongside 5 blown saves. The bullpen collectively inherited 53 runners this year, with 37.7% of those scoring. Additionally, Mets pitchers have appeared in 38 games with runners on base and have had 48 high-leverage appearances this season. To date, they have utilized 110 relief pitchers and amassed 12 holds (29th in MLB).

To date, the New York Mets have tallied 996 putouts, 308 assists, and have committed 17 errors. Their fielding percentage stands at .987, ranking them 13th in Major League Baseball, with 22 double plays turned. The Mets have converted 69.2% of balls in play into outs across 2,988 innings, positioning them 21st in MLB.

Holmes has pitched for 545 innings, recording 520 strikeouts throughout his professional career. His career ERA is 3.50 (with 212 earned runs allowed), while his WHIP sits at 1.278. He has surrendered 464 hits (7.7 hits per nine innings) and 233 walks, holding a career win-loss record of 40-32 with a FIP of 3.45 after facing 2,336 hitters in the majors.

The Arizona Diamondbacks have a .302 OBP and a .242 team batting average this season. They’ve struck out 285 times (27th in MLB) and collected 288 hits. So far, Arizona has achieved 35 home runs, accompanied by 155 RBIs, with a team slugging percentage of .402. On average, they score 4.47 runs per game, ranking 13th in the league, while having hit 64 doubles and drawn 99 walks for a total of 161 runs.

Arizona’s team WHIP is 1.367, and their FIP is 4.59 as of now, standing 18th in terms of total hits allowed (308). As a pitching staff, the Diamondbacks have conceded 186 runs this year, resulting in a team ERA of 4.78 (168 earned runs). Their strikeout-to-walk ratio is 7.60 (266 strikeouts against 124 walks), with 45 home runs allowed and an average of 5.30 runs permitted per nine innings (27th in MLB).

In terms of save situations, the Diamondbacks have encountered 41, tallying 25 holds and had 6 blown saves. Their bullpen faced 15 save chances, securing 9 saves. The relief corps has inherited 50 runners, with a 26.0% inherited scoring rate. They have appeared in 45 high-pressure situations and managed 35 instances with runners on base. Currently, the team ranks 17th in MLB with a 60.0% save percentage, using 127 relievers this season.

Defensively, the Arizona Diamondbacks have turned 23 double plays and have a .985 fielding percentage (22nd in pro baseball). This season, they have registered 320 assists, committed 19 errors, and achieved 949 putouts. Their defensive efficiency is 70.3%, placing them 16th in Major League Baseball after 2,847 innings played.

Kelly holds a career win-loss record of 66-56, with a 3.88 ERA. He allows 8.2 hits per nine innings, with a K/BB ratio of 2.94, facing 4,241 hitters throughout his career. To date, he has given up 443 earned runs, accruing a WHIP of 1.218 and a FIP of 3.8. Over his professional career, Kelly has allowed 936 hits while striking out 925 batters in 1,027 innings.

Who will emerge victorious in tonight’s MLB showdown against the spread or moneyline?

Prediction: Take Arizona (+110)

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Pick: Arizona Diamondbacks (+110)
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