Seattle Mariners vs Miami Marlins Betting Pick & Prediction 6/21/24

Friday’s interleague matchup between the Mariners and Marlins is set for 7:10 PM ET from loanDepot Park in Miami. The Marlins are on a two-game winning streak, but they are the +136 underdog on the money line tonight. The Mariners have a record of 44-33 and they are 1st in the AL West.
George Kirby is starting for the Mariners, while the Marlins are going with Trevor Rogers. Seattle is currently on a two-game losing streak, and they are the -162 favorite on the money line tonight. The over/under line is currently 7.5 runs, and the game can be seen on RSNW.
MIAMI MARLINS VS SEATTLE MARINERS BETTING PICK
The Pick: Miami Marlins Moneyline +136
This game will be played at loanDepot Park at 7:10 ET on Friday, June 21st.
HOW TO BET THE MARINERS VS MARLINS:
- We have the Marlins winning by a score of 5 to 4
- If you’re looking for a run line pick, we also like the Marlins to cover
- As for an over/under pick, we have this game finishing with 9 runs and like the over
Mariners Records & Stats
The Mariners will be looking to get back on track after closing out their series vs. the Guardians with a 6-3 loss. This was especially tough, as they held a lead going into the 9th inning before the Guardians scored three runs in the bottom of the 9th. Seattle was the +107 underdog on the money line going into the game.
Luis Castillo had a rough outing, giving up five earned runs on eight hits and issuing two walks. He also only lasted five innings, taking the loss. Offensively, the Mariners’s only had three fewer hits than the Guardians but scored just three runs. Dylan Moore hit a homer for the Mariners but went only 1/3.
Seattle is 44-33 overall, putting them eight games ahead of the Astros for the AL West lead. The Mariners have dropped two straight games, losing the final two games of their series vs. the Guardians. So far, they have been excellent against other teams in the AL West, going 17-5.
At home, the Mariners have gone 27-12, and they are just above .500 at 17-21 on the road. Seattle has won three straight games as the favorite, and they are 28-18 when favored this year. As for their record as the underdog, they are 16-15. The Mariners’ overall series record is 13-9-2 this year.
The Mariners have been a tough team to predict on the run line this season, as they have a 37-40 run line record overall. They have been a better bet at home, where they are 21-18 on the run line, compared to 16-22 on the road. They have been a better bet as an underdog, going 17-14 on the run line in those games, compared to 20-26 as a favorite. Their average run differential in games they have won is +2.9, while it is -3.6 in games they have lost.
Seattle’s over/under record is 31-43, and the average over/under line in their games is 8 runs. When the line is set at 7.5 runs, the Mariners are 7-14. Their combined run average is 7.6 runs per game, and they have hit the over in three straight games. The over/under line for today’s game against the Marlins is set at 7.5 runs.
Seattle is sending right-hander George Kirby to the mound today vs. the Marlins. He has made 15 starts this year and has a record of 6-5 with a 3.54 ERA. Kirby has made eight quality starts this year and is coming off a start where he gave up just one earned run in six innings of work. In that outing, he didn’t give up a homer. Looking back at his last three outings, Kirby has given up a homer in two of them. So far, he has allowed nine home runs. Per nine innings, Kirby is giving up just 0.94 walks compared to 8.76 strikeouts.
So far this season, the Mariners are averaging just 3.9 runs per game, which is 26th in the league. They have been even worse at home, averaging only 3.8 runs per contest. As a team, they are batting just .220 and are the worst team in the league in terms of strikeouts. However, they do come into the game as one of the league’s better home run hitting teams.
Cal Raleigh has been one of the league’s top power hitters this season, as his 12 home runs are the best mark on the team and 12th best in the MLB. However, he is batting just .202. Julio Rodriguez has a better batting average at .264 and is 3rd on the team with seven homers. Over his last eight games, he has gone 6/30.
Marlins Records & Stats
Jesús Sánchez and the Marlins are coming off a big 4-3 win over the Cardinals to close out their series. Sánchez went only 3 innings, giving up two runs on eight hits. However, the Marlins’ offense picked things up, scoring their four runs on only eight hits. Miami was the +132 underdog at home going into the game.
Yonny Chirinos got the start for the Marlins, going five innings and giving up only two runs on eight hits. He only had one strikeout in the outing and got the win.
Miami is 5th in the NL East with a record of 25-49, putting them 24 games behind the Phillies for the division lead. So far, they have really struggled against other NL East teams, going 5-17. The Marlins have won two straight games, and they are 3-7 across their last 10 games.
At home, the Marlins are 14-26 compared to an 11-23 mark on the road. So far, they have been favored in 15 games, going just 3-12 in those games. As for playing as the underdog, the Marlins are 22-37 this year. Miami’s overall series record is 6-17-1, but they did win their most recent series vs. the Cardinals.
When the Marlins win, they win big, with an average run margin of +3.0 in their victories. However, they are still just 31-43 against the run line this season, including 14-26 at home. They’ve been a much better bet on the run line as an underdog, going 30-29, compared to just 1-14 as the favorite. They’ve covered the run line in three straight games overall and as the underdog.
When the Miami Marlins play at home, the over/under line is usually set at 7.5 runs. This season, the average combined run total in their games is 8.7 runs per game. Overall, the over/under record for the Marlins is 39-34, and when the line is set at 7.5 runs, their over/under record is 11-5. In 70.3% of their games, the over/under line has been set higher than 7.5 runs.
Trevor Rogers will be looking to bounce back from a rough outing vs. the Nationals, where he took the loss. In that start, he gave up two earned runs in seven innings of work. Looking at his overall numbers, Rogers is 1-8 with a 5.09 ERA. Opposing batters are hitting .286 off the left-hander this year. Rogers has made 14 starts, and his only quality start came on May 27th vs. the Padres. His ERA at home is 5.78 compared to 7.25 on the road.
While the Marlins offense has been one of the worst in the league this season, they do have a few hitters who have been swinging the bat well of late. Jazz Chisholm Jr. is on a seven-game hitting streak and is batting .266 for the season with a team-high 36 RBIs and 10 homers. Bryan De La Cruz also has 13 homers this season, but he is batting just .245 and has gone 7/33 over his last eight games.
As a team, the Marlins are averaging just 3.6 runs per game and are last in the league in home runs. They are also near the bottom of the league in on-base percentage, slugging, and OPS. Miami’s team ISO of .118 is also the worst in the league.