Rangers vs Marlins Prediction, Odds, Moneyline, Spread & Over/Under for Sept. 21

Odds updated as of 5:14 a.m.

The MLB slate on Sunday includes the Texas Rangers taking on the Miami Marlins.

All the info you need to make smart bets on this game at FanDuel Sportsbook can be found below. Check out all of the latest MLB betting lines here.

Rangers vs Marlins Game Info

• Texas Rangers (79-76) vs. Miami Marlins (75-80)
• Date: Sunday, September 21, 2025
• Time: 2:35 p.m. ET
• Venue: Globe Life Field -- Arlington, Texas
• Coverage: RSN and FDSFL

Rangers vs Marlins Odds & Moneyline

• All MLB odds, betting lines and prop bets are available on FanDuel Sportsbook.
• Moneyline: TEX: (-126) | MIA: (+108)
• Spread: TEX: -1.5 (+172) | MIA: +1.5 (-210)
• Total: 7.5 -- Over: (+104) | Under: (-128)

Rangers vs Marlins Probable Starting Pitchers

Probable Pitchers: Merrill Kelly (Rangers) - 12-8, 3.46 ERA vs Eury Pérez (Marlins) - 7-5, 4.40 ERA

The Rangers will give the nod to Merrill Kelly (12-8, 3.46 ERA), who is eyeing win No. 13 on the season, and the Marlins will turn to Eury Perez (7-5, 4.40 ERA). When Kelly starts, his team is 14-14-0 against the spread this season. Kelly's team has won 55.6% of his starts when they are favored on the moneyline (10-8). The Marlins have a 9-7-0 record against the spread in Pérez's starts. The Marlins have been the moneyline underdog in nine of Pérez's starts this season, and they went 6-3 in those matchups.

Rangers vs Marlins Prediction & Pick

All MLB win probability predictions and picks are according to numberFire.
Prediction: Rangers win (51.5%)

Rangers vs Marlins Moneyline

• Texas is the favorite, -126 on the moneyline, while Miami is a +108 underdog on the road.

Rangers vs Marlins Spread

• The Marlins are +1.5 on the spread (-210 to cover), and Texas is +172 to cover the runline.

Rangers vs Marlins Over/Under

• An over/under of 7.5 has been set for Rangers-Marlins on Sept. 21, with the over being +104 and the under -128.

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Rangers vs Marlins Betting Trends

• The Rangers have been victorious in 45, or 60.8%, of the 74 contests they have been chosen as favorites in this season.
• This year Texas has won 33 of 53 games when listed as at least -126 on the moneyline.
• The Rangers and their opponents have gone over in 69 of their 154 games with a total set by sportsbooks this season.
• The Rangers are 82-72-0 against the spread in their 154 games that had a posted line this season.
• The Marlins have a 58-63 record in games they were the underdog on the moneyline (winning 47.9% of those games).
• Miami has gone 46-49 in games it has played as a moneyline underdog with odds of +108 or longer (48.4%).
• The Marlins have combined with opponents to go over the total 75 times this season for a 75-74-1 record against the over/under.
• The Marlins have put together an 86-64-0 record ATS this season (covering 57.3% of the time).

Rangers Player Leaders

• Wyatt Langford leads Texas with 117 hits and an OBP of .342 this season. He has a .241 batting average and a slugging percentage of .427.
• Among all qualified hitters in the majors, he is 108th in batting average, 50th in on-base percentage, and 74th in slugging.
• Josh Smith has an OPS of .697, fueled by an OBP of .335 and a team-best slugging percentage of .362 this season. He's batting .252.
• He is 88th in batting average, 59th in on-base percentage and 138th in slugging among qualifying batters.
• Adolis Garcia is batting .229 with a .395 slugging percentage and 74 RBI this year.
• Josh Jung is batting .253 with a .295 OBP and 60 RBI for Texas this season.
• Jung has safely hit in five straight games. In his last five games he is batting .350 with two doubles, a home run and five RBIs.

Marlins Player Leaders

• Otto Lopez is batting .244 with 19 doubles, 15 home runs and 44 walks. He's slugging .368 with an on-base percentage of .306.
• He is 100th in batting average, 114th in on-base percentage and 132nd in slugging percentage among all qualifying hitters in the majors.
• Lopez heads into this game on a three-game hitting streak. During his last five outings he is hitting .125 with a double, a home run and three RBIs.
• Agustin Ramirez leads his team with 120 hits. He has a batting average of .234 while slugging .423 with an on-base percentage of .291.
• He is currently 126th in batting average, 131st in on-base percentage and 77th in slugging percentage among all qualifying hitters.
• Xavier Edwards has a .339 on-base percentage and a .354 slugging percentage, both team-high numbers for the Marlins.
• Eric Wagaman is hitting .248 with 27 doubles, three triples, nine home runs and 32 walks.

Rangers vs Marlins Head to Head

• 9/20/2025: 4-3 MIA (Favorite: Rangers, Spread: -1.5, Total: 8.5, Favorite Moneyline: -142, Underdog Moneyline: +120)
• 9/19/2025: 6-4 MIA (Favorite: Rangers, Spread: -1.5, Total: 8, Favorite Moneyline: -144, Underdog Moneyline: +122)
• 6/2/2024: 6-0 TEX (Favorite: Rangers, Spread: -1.5, Total: 8.5, Favorite Moneyline: -130, Underdog Moneyline: +110)
• 6/1/2024: 7-0 TEX (Favorite: Marlins, Spread: -1.5, Total: 8, Favorite Moneyline: -116, Underdog Moneyline: -102)
• 5/31/2024: 8-2 MIA (Favorite: Rangers, Spread: -1.5, Total: 8.5, Favorite Moneyline: -138, Underdog Moneyline: +118)
• 8/6/2023: 6-0 TEX (Favorite: Rangers, Spread: -1.5, Total: 8.5, Favorite Moneyline: -118, Underdog Moneyline: -100)
• 8/5/2023: 9-8 TEX (Favorite: Rangers, Spread: -1.5, Total: 9, Favorite Moneyline: -148, Underdog Moneyline: +126)
• 8/4/2023: 6-2 TEX (Favorite: Rangers, Spread: -1.5, Total: 8.5, Favorite Moneyline: -142, Underdog Moneyline: +120)
• 9/12/2022: 10-6 MIA (Favorite: Rangers, Spread: -1.5, Total: 7, Favorite Moneyline: -120, Underdog Moneyline: +102)
• 9/12/2022: 3-2 TEX (Favorite: Marlins, Spread: -1.5, Total: 7.5, Favorite Moneyline: -122, Underdog Moneyline: +104)

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