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

Odds updated as of 4:14 a.m.

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

We've got you covered, in terms of the vital information regarding this game before you take a look at the MLB odds and spreads on FanDuel Sportsbook.

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 counter with Eury Perez (7-5, 4.40 ERA). Kelly and his team are 14-14-0 ATS this season when he starts. Kelly's team is 10-8 this season when he starts and they are the moneyline favorite. 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

• The Rangers vs Marlins moneyline has Texas as a -126 favorite, while Miami is a +108 underdog on the road.

Rangers vs Marlins Spread

• The Rangers are 1.5-run home favorites on the runline against the Marlins. The Rangers are +172 to cover, and the Marlins are -210.

Rangers vs Marlins Over/Under

• The over/under for the Rangers versus Marlins game on Sept. 21 has been set at 7.5, with +104 odds on the over and -128 odds on the under.

Bet on Texas Rangers vs. Miami Marlins on FanDuel today!

Rangers vs Marlins Betting Trends

• The Rangers have come away with 45 wins in the 74 contests they have been listed as the favorites in this season.
• Texas has a record of 33-20 when favored by -126 or more this year.
• The Rangers and their opponents have gone over the total this season in 69 of their 154 opportunities.
• The Rangers have an against the spread record of 82-72-0 in 154 games with a line this season.
• The Marlins have compiled a 58-63 record in games they were listed as the moneyline underdog (winning 47.9% of those games).
• Miami is 46-49 (winning 48.4% of its games) when playing as a moneyline underdog of +108 or longer.
• The Marlins have combined with opponents to hit the over on the total 75 times this season for a 75-74-1 record against the over/under.
• The Marlins are 86-64-0 ATS this season.

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 qualified hitters in baseball, he ranks 108th in batting average, 50th in on-base percentage, and 74th in slugging.
• Josh Smith leads Texas in slugging percentage (.362) thanks to 34 extra-base hits. He's batting .252 with an on-base percentage of .335.
• Among qualifying batters, he ranks 88th in batting average, 59th in on-base percentage and 138th in slugging percentage.
• Adolis Garcia has collected 113 base hits, an OBP of .271 and a slugging percentage of .395 this season.
• Josh Jung has been key for Texas with 115 hits, an OBP of .295 plus a slugging percentage of .396.
• Jung heads into this game on a five-game hitting streak. During his last five outings he is batting .350 with two doubles, a home run and five RBIs.

Marlins Player Leaders

• Otto Lopez has 19 doubles, 15 home runs and 44 walks while batting .244. He's slugging .368 with an on-base percentage of .306.
• Including all qualified hitters in MLB, he is 100th in batting average, 114th in on-base percentage and 132nd in slugging percentage.
• Lopez enters this game on a three-game hitting streak. During his last five outings he is batting .125 with a double, a home run and three RBIs.
• Agustin Ramirez has racked up 120 hits to lead his team. 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 accumulated a .339 on-base percentage and a .354 slugging percentage, both team-high numbers for the Marlins.
• Eric Wagaman is batting .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)

Sign up for FanDuel Sportsbook and FanDuel Daily Fantasy today!