Rays vs. Mariners Prediction, Odds, Picks

The Tampa Bay Rays continue their west coast tour and face the Seattle Mariners. It's time to continue our MLB odds series with a Rays-Mariners prediction and pick.

Expected starters for the Rays-Mariners

draw Comparisons Luis Castillo

Luis Castillo (10-12) with an ERA of 3.66 and a WHIP of 1.16

Last start: Castillo went six innings and allowed six hits and three home runs in his last start. He allowed five runs but did not have to make a decision as the Mariners came back and beat the Giants in ten innings.

Home Splits 2024: Castillo is 6-5 at home this year with a 3.15 ERA and an opponent's batting average of .233.

Here are the MLB odds, courtesy of FanDuel.

MLB Odds: Rays-Mariners Odds

Tampa Bay Rays: +1.5 (-150)

Money line: +152

Seattle Mariners: -1.5 (+125)

Money line: -180

Over: 7 (-115)

Under: 7 (-105)

How to watch Rays vs. Mariners

Time: 4:10 p.m. ET/ 1:10 p.m. PT

Television: BSSUN/RSNW

Stream: fuboTV (Free Trial)

Why the Rays will cover/win the spread

The Rays rank 28th in runs scored, 28th in batting average, 20th in on-base percentage and 28th in slugging. Yandy Diaz leads the way this year. He's batting .273 with a .329 on-base percentage this year. Diaz has ten home runs and 56 RBIs and has struck out 45 times. Brandon Lowe has also been solid this year. He's batting .241 with a .321 on-base percentage. He has 16 home runs and 48 RBIs and has struck out 41 times. Jose Siri rounds out the year's best hitters. He's batting just .195 with 16 home runs and 41 RBIs. He's also stolen 12 bases and has struck out 42 times.

Jonny DeLuca has been the Rays' best hitter over the last week. He has a .333 batting average over the last week with a .400 on-base percentage. DeLuca has one home run, four RBIs, two stolen bases and three runs scored. Junior Caminero has also been solid over the last week. He has a .280 batting average over the last week with a .308 on-base percentage. He has two home runs, three RBIs and five runs scored. Christopher Morel completes the list of the Rays' best hitters over the last week. He has a .300 batting average over the last week with a home run, two RBIs and three runs scored. The Rays have just a .197 batting average over the last week with seven home runs and just 19 runs scored in seven games.

Currently, the Rays have a .250 batting average against Luis Castillo in 68 career at-bats. Dylan Carlon has 22 career at-bats, 7-22 with two doubles, a home run and five RBIs. Yandy Diaz is two for nine with a home run and also an RBI. Josh Lowe is also three for 10 against Castillo.

Why the Mariners will cover/win the spread

The Mariners rank 26th in the major leagues in runs scored, while they rank 30th in batting average, 26th in on-base percentage, and 29th in slugging. Cal Raleigh has the edge this year. He only has a .211 batting average and a .304 on-base percentage this year. He has 27 home runs and 79 RBIs. He has also stolen five bases and scored 57 times. Mitch Haniger has also been solid. He only has a .209 batting average this year, but he has 12 home runs and 44 RBIs. He has also scored 40 times. Julio Rodriguez has been solid this year. He has a .253 batting average and a .309 on-base percentage this year. He has 11 home runs and 40 RBIs. He has also stolen 18 bases and scored 48 runs this year.

Jorge Polanco has been one of the best hitters over the past week. He batted just .211 over the past week and had a .375 on-base percentage. Polanco has three RBIs and two runs scored over the past week and has a stolen base. Luke Raley has batted just .214 over the past week, but he has a home run and three RBIs and three runs scored over the past week. Leo Rivas rounds out the list of best hitters over the past week. He batted .389 over the past week and had a .421 on-base percentage. He has two RBIs but has not scored a run over the past week. The Mariners have batted just .204 over the past week and had two home runs. They have scored just 20 runs over the past six games.

Final Rays-Mariners Prediction and Pick

Both teams have struggled to score recently. The Rays only scored a little over three runs per game last week. The Mariners are no different though, scoring just over three runs per game. Luis Castillo has been solid overall at home. With the Rays offense continuing to struggle, they will have a tough time against Castillo. Expect another low-scoring game, but bet on the Mariners to get the win.

Final Rays-Mariners Prediction and Pick: Mariners ML (-180)