- Matchup: Miami Marlins vs Arizona Diamondbacks
- Date: Tuesday, September 15, 2026
- Venue: Chase Field, Phoenix, AZ
- Broadcast: DBACKS.TV
- Betting Odds: Miami (+106) Arizona (-128)
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The Arizona Diamondbacks, with a record of 79-71, will host the Miami Marlins, who stand at 74-76, at Chase Field this Tuesday. Betting odds for this game place Miami at +106 and Arizona at -128, with the total runs over/under set at 8. The starting pitchers for the matchup are Janson Junk and Zac Gallen.
The Miami Marlins have recorded 231 doubles and hit 153 home runs this season. With a slugging percentage of .401, they have also struck out 1,235 times while earning 515 walks. Overall, the Marlins are averaging 4.4 runs per game, ranking 17th in Major League Baseball. They have tallied 637 RBIs and 1,245 hits, giving them a batting average of .249 and an on-base percentage of .327, with 666 runs scored.
The Marlins’ pitching staff has a WHIP of 1.28 and a K/BB ratio of 2.31, allowing 153 home runs and a total of 660 runs, placing them 12th in the league. They have surrendered 1,166 hits (8.0 per 9 innings), resulting in 601 earned runs. With an ERA of 4.10 (13th in the league), the Marlins’ pitchers have struck out 1,205 batters while issuing 521 walks, leading to a FIP of 4.14 this season.
The Marlins’ bullpen has converted 62.7% of save opportunities, appearing in 137 situations with 32 successful saves out of 51 attempts. They have inherited 191 base runners this season, with 27.7% scoring, while their relievers have logged 495 appearances with 140 in high-pressure scenarios. The bullpen has recorded 84 holds, ranking 11th in MLB.
Defensively, the Marlins have a play conversion rate of 70.7% over 11,868 innings, positioning them 10th in the league. They have accumulated 3,956 putouts, 1,259 assists, and 92 errors, giving them a fielding percentage of .983, ranking 26th in baseball. They’ve turned 107 double plays this season.
Janson Junk has pitched for 261 innings in his career, achieving 185 strikeouts. With an ERA of 4.72 and a WHIP of 1.314, he has allowed 289 hits (10.0 per 9 innings) and walked 54 batters. Junk holds a career record of 13-16, facing 1,108 hitters in Major League Baseball, and has a FIP of 4.65.
The Arizona Diamondbacks boast a team on-base percentage of .315 and a batting average of .243 for the year. They have struck out 1,095 times (28th in MLB) and recorded 1,221 hits, including 147 home runs and 635 RBIs. The team’s slugging percentage stands at .395, averaging 4.43 runs per game (18th in MLB) while also hitting 251 doubles and drawing 499 walks.
Arizona’s pitching has allowed 663 runs while maintaining a 4.09 ERA (606 earned runs). They have given up 167 home runs and allow 4.47 runs per 9 innings, ranking 13th in the league. With a team WHIP of 1.278 and a FIP of 4.32, their K/BB ratio is 7.00 (1,039 strikeouts vs 447 walks), ranking 19th in total hits allowed with 1,258.
Ranking 11th in save percentage at 68.5%, the Diamondbacks have called upon 504 relievers this season. Their relievers have appeared in 161 high-leverage situations and 135 times with runners on base. In 134 save opportunities, they have achieved 79 holds and encountered 17 blown saves, successfully converting 37 of 54 save situations.
Within their 12,006 innings played, the Diamondbacks have a defensive efficiency rating of 71.3% (7th in MLB). They have executed 129 double plays with a stellar fielding percentage of .989 (2nd in the majors), tallying 1,299 assists, 58 errors, and 4,002 putouts this season.
Zac Gallen, with a career record of 69-61, showcases an earned run average of 3.83. He allows just 7.9 hits per 9 innings, maintaining a strikeout to walk ratio of 3.14. Over his professional career, Gallen has faced 4,597 batters, giving up 471 earned runs, with a WHIP of 1.197 and a FIP of 3.80. In total, he has allowed 969 hits while striking out 1,122 batters across 1,108 innings pitched.
Who do you think will prevail in tonight’s MLB showdown against the spread or moneyline?
Prediction: Back Miami (+106)
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