MLB Player Props & Best Bets Today for May 31: Ray Flexes Strikeout Muscles

Our MLB player prop picks for May 31 target Robbie Ray, Seiya Suzuki, and Brendan Donovan.

Eric Rosales - Contributor at Covers.com
Eric Rosales • Betting Analyst
May 31, 2025 • 08:34 ET • 4 min read
Robbie Ray San Francisco Giants MLB
Photo By - Imagn Images. Robbie Ray is taking the mound against the Marlins this afternoon.

Saturday is a packed slate in Major League Baseball, with 15 games on tap.

We’ve scoured the available MLB player props for May 30 and have found three of our favorite MLB picks to share. Check them out below.

Best MLB player props today

  • TEAM Suzuki o1.5 total bases (+126)
  • TEAM Donovan o1.5 total bases (+112)
  • TEAM Ray o6.5 strikeouts (-137)

MLB props for May 31

Seiya Suzuki Over 1.5 total bases (+126 at Caesars)

Chicago Cubs outfielder Seiya Suzuki is on a solid run of late. He picked up a hit in Chicago’s 6-2 win over Cincinnati in the opener of their series Friday.

That gives him hits in 10 straight games and 13 of the last 14. During this run, he's picked up two total bases in six of his previous nine games and has plus-money odds to go Over 1.5 total bases on Saturday.

It’s a favorable matchup for him, too, as he faces lefty Nick Lodolo. Though it's a small sample, Suzuki is hitting .455 off him in 11 at-bats, with three doubles and three RBI. On the year, Suzuki is hitting an impressive .375 against lefties, and with 10 of his 18 hits going for extra bases.

Brendan Donovan Over 1.5 total bases (+112 at Caesars)

Even in an 11-1 thumping, the hitting beat goes on for St. Louis Cardinals second baseman Brendan Donovan.

He picked up a hit in Friday’s loss, giving him hits in five straight games as he sits seventh in the majors with a .333 average. He’s picked up at least two total bases in three of his last four.

Donovan will be in tough on Saturday, as he faces off with veteran lefty Patrick Corbin, but Corbin hasn’t exactly been shutting things down, allowing at least three earned runs in three straight starts. He's also been taken yard in four straight appearances.

Lefties are actually hitting Corbin better on the year, and while Donovan’s lefty vs. lefty split isn’t great (.258 average), he’s tearing it up on the road, batting .356. Another worthy splash for two total bases at plus-money odds.

Robbie Ray Over 6.5 strikeouts (-137 at Caesars)

Veteran lefty Robbie Ray gets the call Saturday for the San Francisco Giants in the middle game of their three-game set against the Marlins.

At 7-0, Ray currently leads the majors in wins, with a nice 2.56 ERA that’s inside the Top 15. He’s got a gettable 6.5-strikeout line against the Marlins, and he’s been good at hitting that lucky seven punchout level.

Ray has gone Over his total in three straight starts and seven of his last nine. Miami is in the bottom half of the league in team strikeouts, fanning an average of 8.31 times per game.

It’s been nine games since a starter has registered at least seven strikeouts against the Marlins, but I like Ray’s chances on Saturday as he’s 17th in the majors in strikeouts per nine innings (9.8).

Odds are correct at the time of publishing and are subject to change.
Not intended for use in MA.
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Eric Rosales - Covers
Betting Analyst

Eric has been involved in sports media in many different capacities since graduating from journalism school in 1999, back when getting your own column in a newspaper was still considered a thing. He doubled down and graduated from broadcast journalism school five years later, which led to a move to Toronto and a career with The Sports Network (TSN). From behind-the-scenes production work, he moved into the digital realm, where he had his own hoops column (At the Buzzer), while regularly live streaming and chatting with fans during broadcasts as the character known as LeBlog James. He was also a key contributor to TSN and CTV’s Olympic programming during the 2012 London Games.

Eric eventually found his way into the sports betting field in 2016 and has been a mainstay ever since. He was tagged on Twitter as a Top 10 NBA sharp during the 2021 season and has been interviewed about basketball and his handicapping process on shows from Vancouver to India. Eric is now a jack-of-all-sports at Covers, where his predictions span the alphabet soup: NFL, NBA, MLB, NHL, F1, WNBA, Euro, and Copa.

When making picks, he focuses on finding value first and foremost, and ensuring readers have all the information they need to make an informed choice.

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