At 4:10 PM ET, the Mariners and Royals square off in an AL matchup. This one is being played at Kauffman Stadium in Kansas City, and the Mariners are the betting favorite on the money line (-138). The money line odds for the Royals are at +117, and the over/under line is at 8.5 runs.

RSNW will be televising this matchup, and the Mariners are currently 1st in the AL West with a record of 36-29. The Royals are 2nd in the AL Central at 38-26 and will be looking to extend their two-game win streak. Luis Castillo will start for the Mariners, while Alec Marsh goes for the Royals.


The Pick: Kansas City Royals Moneyline +117

This game will be played at Kauffman Stadium at 4:10 ET on Saturday, June 8th.


  • We have the Royals winning by a score of 5 to 4
  • If you're looking for a run line pick, we also like the Royals to cover
  • As for an over/under pick, we have this game finishing with 9 runs and like the over

It was a high-scoring game in the most recent game of this Royals vs Mariners series. Kansas City went into the matchup as +105 underdogs and squeaked out a 10-9 win. Both teams scored one run in the first inning, and the Mariners could only muster one more run until breaking out for six in the 9th, falling just short of a comeback.

Seattle wasted a good outing from Bryce Miller, as he gave up just one run in five innings of work for the Mariners. Ryne Stanek took the loss. Daniel Lynch IV got the win for the Royals, despite giving up eight earned runs in four innings.

Kansas City's offense was led by MJ Melendez and Bobby Witt Jr., as they were the only two Royals hitters to have more than one hit. Melendez, Witt Jr., and Nelson Velazquez each homered for the Royals' three long balls.

Mariners Records & Stats

Seattle heads into today's road matchup vs. the Royals with a record of 36-29, which has them leading the AL West by five games over the Rangers. The Mariners are 14-5 against other teams in the AL West. So far, they have been good at home, going 21-11, but they are just below .500 at 15-18 on the road.

The Mariners have won three straight series, and their overall series record is 11-7-2 this year. As the favorite, Seattle is 22-16 this year and 14-13 as the underdog. Looking at their overall record, the Mariners are 7-3 over their last 10 games.

Seattle's overall run line record is 32-33, with a +0.1 average run margin per game. The Mariners have been a better run line bet at home (18-14) than on the road (14-19). They have been a better run line bet as an underdog (15-12) than as a favorite (17-21).

Seattle is on the road against the Kansas City Royals today, and the over/under line for the game is set at 8.5 runs. The Mariners have an over/under record of 24-38 on the season, and their games have had an average combined run total of 7.5 runs. When the over/under line has been set at 8.5 runs, Seattle has a record of 4-2 in those games. So far this season, only 13.8% of their games have had over/under lines set at 8.5 runs or higher.

Seattle is sending right-hander Luis Castillo to the mound today vs. the Royals. He has made 13 starts this season and has a record of 5-6 with a 2.99 ERA. Looking at his overall numbers, Castillo has a WHIP of 1.15 and has issued just 2.53 walks per nine innings compared to 9.31 strikeouts. So far, he has turned in nine quality starts and has a BB/9 figure of 2.53. In his most recent outing, Castillo picked up the win, going seven innings and not giving up a run. Before that, he had allowed at least two earned runs in three straight starts.

Julio Rodríguez has been swinging a hot bat of late, going 6/21 in his last six games with a home run and four runs scored. For the season, he is batting .267 with five homers. Cal Raleigh has struggled this season with a batting average of only .200, but he does lead the team with 33 RBIs and 11 homers.

As a team, the Mariners are 27th in runs scored at 3.8 per game. They are also near the bottom of the league in batting average and on-base percentage. Overall, they are averaging 9 strikeouts per game, which is the worst mark in the league.

Royals Records & Stats

Kansas City is 38-26 overall this season, putting them three games behind the Guardians for the AL Central lead. The Royals have won two straight games, taking the series opener vs. the Mariners. So far, they have gone 13-9 in divisional games.

At home, the Royals are 23-10 this season and 15-16 on the road. As the underdog, the Royals are 19-18 this year and 19-8 when favored. Kansas City's overall series record is 10-9-1, and they have gone 4-6 across their last 10 games.

When it comes to the run line, the Royals have been a solid bet this season, going 40-24 overall. They have been especially good at home, where they are 21-12 on the run line. Their average run margin for the season is +1.1, and they have been even better at home, where their scoring margin is +1.7 runs per game. They have been a good bet as the underdog, going 25-12 on the run line, and they have covered in two straight games as the underdog.

The Kansas City Royals have a combined run average of 8.7 runs per game this season, and their over/under record is 28-34. When the over/under line is set at 8.5 runs, their record is 7-14. The over/under line for today's game against the Seattle Mariners is set at 8.5 runs, which is slightly higher than their average line of 8 runs per game. So far this season, 21.9% of their games have had over/under lines set at 8.5 runs or higher.

Alec Marsh gets the start for the Royals today and will be looking to bounce back from a rough outing vs. the Padres. In that start, he took the loss, going five innings and giving up five earned runs, three walks, and a homer. Looking back over his last three starts, Marsh has given up at least one homer in each outing. Overall, he has made 10 starts, and opponents are batting .222 this season. Marsh's ERA is 3.76, along with a record of 4-3. So far, he has made two quality starts and is averaging 7.53 strikeouts per nine innings.

The Royals have been one of the league's best home run hitting teams this season and are batting a collective .254, which is the 5th best mark in the league. Overall, they are averaging 4.9 runs per game, but that number jumps up to 5.6 when they are playing at home. As a team, they are also one of the league's best teams at avoiding strikeouts.

Bobby Witt Jr. and Salvador Perez have been two of the Royals' top power threats this season, with Witt Jr. leading the team with 11 homers and Perez right behind him with 10. Witt Jr. has been especially hot of late, going 14/32 in his last seven games with two homers and 10 RBIs. Witt Jr. also comes into the game on an eight-game hitting streak.