Seattle Mariners vs Miami Marlins MLB Betting Prediction

MLB Seattle Mariners vs Miami Marlins Prediction 6/21/2024

The Seattle Mariners (44-33) travel to face off against the Miami Marlins (25-49) on Friday, June 21st. This game will be played at loanDepot Park in Miami and televised on RSNW. The Marlins are coming off a win in their previous game, while the Mariners are looking to get back on track from a loss to the Guardians. First pitch is set for 6:10  CT.

Mariners vs Marlins

seattle mariners nba

Seattle is coming off a game in which they wasted several good performances. In their 6-3 loss to Cleveland, Luis Castillo was hit hard, giving up five earned runs on eight hits and issuing two walks. The Mariners also wasted a big game from Dylan Moore, who homered in the 1st inning, going 1/3.

Moore’s homer was the only run the Mariners scored until the 4th, when they added another run. Seattle’s other run came in the 8th, but by then, it was too little too late. Looking at the betting lines going into the game, the Mariners were the slight underdog at +107.

Seattle is on the road today to take on the Marlins, and they are 44-33 overall, putting them eight games ahead of the Astros for the AL West lead. The Mariners have gone 17-5 against other teams in the AL West. They are coming off back-to-back losses and dropped two of three in their series vs. the Guardians.

As the favorite, the Mariners have gone 28-18 this year and 16-15 as the underdog. Seattle has won three straight games as the favorite. At home, the Mariners are 27-12 compared to 17-21 on the road. So far, they have gone 7-8 as the road favorite this year.

Seattle is 16-22 on the run line on the road this season, including a current two-game losing streak. The Mariners have a run line record of 37-40 overall, with an average run margin of 0.1 runs per game. They are 17-14 against the run line as the underdog and 20-26 as the favorite.

Seattle’s games have averaged 7.6 runs per game this season, and their over/under record is 31-43. When the line is set at 7.5 runs, the over/under record is 7-14. Their games have had an average line of 8 runs, and 44.2% of their games have had lines set at 7.5 runs. Their current over streak is at three games.

George Kirby Gets The Start For The Mariners

Seattle is sending right-hander George Kirby to the mound today vs. the Marlins. He has made 15 starts this season and has a record of 6-5 with a 3.54 ERA. Kirby’s WHIP for the season is currently 1.01. In his 15 starts, he has turned in eight quality starts and is coming off an outing in which he allowed just one earned run in six innings of work. Kirby picked up the win in that outing vs. the Rangers. One of the big differences for Kirby this year has been his walk rate. He is currently averaging just 0.94 walks per nine innings.

Mariners Offense Breakdown

So far this season, the Mariners have been one of the league’s worst offenses, averaging just 3.9 runs per game (26th in the MLB). They are also the league’s worst team in terms of strikeouts, averaging 10 per game. As a team, they are batting just .220 and have an on-base percentage of only .300. However, they have been good at drawing walks and are 8th in the league in home runs.

Cal Raleigh has been the Mariners’ top power threat this season, as his 12 homers lead the team and is 14th in the league. However, he is batting just .202. Julio Rodriguez is batting .264 and has seven homers, which is 3rd on the team. Dylan Moore, Luke Raley, and Mitch Garver are all tied for 2nd on the team with eight homers.

The Marlins pulled off a 4-3 upset over the Cardinals to close out their series. Miami was the +132 underdog at home going into this matchup. Things started off well for the Marlins, as they got on the board with two runs in the 1st inning and added another two runs in the 2nd.

Yonny Chirinos got the start for the Marlins, going five innings and giving up just two runs on eight hits. He only had one strikeout in the outing and got the win.

Miami is 5th in the NL East, and they trail the Phillies by 24 games for the division lead. So far, they have gone just 5-17 against other NL East teams. Overall, the Marlins are 25-49 heading into today’s home matchup vs. the Mariners. They have won two straight games, and their record includes going 14-26 at home and 11-23 on the road.

The Marlins won the final two games of their series vs. the Cardinals, and they are 6-17-1 in series this year. As the underdog, Miami is 22-37 this year, and they are just 3-12 when favored. Their overall record as the home underdog is 11-14. Looking at how they have fared as of late, the Marlins are 3-7 over their last 10 games.

When the Marlins are the underdog, they have been a solid bet on the run line this season, going 30-29. They have covered the run line in three straight games at home and as the underdog. Miami’s average run differential in wins is +3.0, while it’s -3.9 in losses.

The Miami Marlins are playing at home against the Seattle Mariners today. The Over/Under line is set at 7.5 runs, which is lower than their combined run average of 8.7 runs per game. The Marlins’ Over/Under record for the season is 39-34, and their average O/U line is 8 runs per game. When the line is set at 7.5 runs, they have gone over the total 11 times and under 5 times. Overall, 70.3% of their games have had higher O/U lines than 7.5 runs.

Trevor Rogers Gets The Start For The Marlins

Left-hander Trevor Rogers gets the start for the Marlins today as he faces off against the Mariners at home. This year, he has made 14 starts and has a record of 1-8 with an ERA of 5.09. Rogers’ WHIP for the season is 1.62, and he has only turned in one quality start this year. Looking back at his last outing, Rogers took the loss, giving up two earned runs in seven innings of work. He finished with three walks and six hits allowed in that outing. Before that, he had gone four straight outings without taking the loss.

Marlins Offense Breakdown

miami marlins

So far this season, the Marlins have been one of the worst offensive teams in the league, averaging just 3.6 runs per game. They have been even worse on the road, averaging only 3 runs per contest. Miami’s offense has been especially bad in terms of power, as they are 24th in home runs and dead last in isolated power. As a team, the Marlins are batting .234, which is 16th in the league.

Center fielder Jazz Chisholm Jr. has been a bright spot for the Marlins this season, as he is batting .266 with 10 homers and 36 RBIs. Chisholm is also on a seven-game hitting streak. Bryan De La Cruz has gone just 7/33 in his last eight games and is batting .245 for the season, but his 13 homers are the most on the team.

Mariners vs Marlins Prediction

Our predicted score for this one is 5-4 in favor of the Marlins, and with them on the money line at +136, we see this as a great payout. Offensively, we have the Marlins finishing with nine hits, and the Mariners with eight.

Looking at the starting pitchers, Trevor Rogers is projected to finish with six strikeouts, and we have him finishing with a line of 6.0 innings, allowing just one earned run. As for George Kirby, we have him ending the game with six K’s and going 5.2 innings.


All odds are courtesy of Action247 Sportsbook. Good luck!!


* All odds are provided by Action247 Sportsbook and all odds subject to change.**All views expressed are my own. My picks are my own and are not a guarantee, bet at your own risk.Action247 does not warrant the accuracy of completeness of the information, text, graphics, links or other items contained within these post.