MLB Player Props & Best Bets for Today, May 31

Tom Oldfield - Contributor at Covers.com
Tom Oldfield • Betting Analyst 22+ years betting experience
Updated: May 31, 2026 , 11:33 AM ET • 3 min read

Yoshinobu Yamamoto may have been overshadowed by Shohei Ohtani's magic on the mound so far this season, but he can still put elite lineups under his spell. He headlines today's MLB props.

Yoshinobu Yamamoto Los Angeles Dodgers MLB
Photo By - Reuters Connect. Yoshinobu Yamamoto on the mound against the Giants.

The New York Yankees and Los Angeles Dodgers both saw their win streaks snapped in dramatic finishes last night, and they’re among the likeliest bounce-back candidates on today’s loaded slate.

That leaves the Seattle Mariners with the longest current winning run in the majors, and my MLB player props target all three ballclubs, including wagers on a lights-out effort from Yoshinobu Yamamoto and more fireworks from Randy Arozarena.

Let’s get into my favorite MLB picks for May 31.

Best MLB player props today

Player  Pick Odds
Dodgers Yoshinobu Yamamoto Over 6.5 strikeouts +116
Yankees Ben Rice Over 1.5 total bases -105
Mariners Randy Arozarena Over 1.5 hits + runs + RBIs -105
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Yoshinobu Yamamoto Over 6.5 strikeouts (+116)

The Los Angeles Dodgers lead the majors in ERA and WHIP through the first third of the season — and the scariest part is that Yoshinobu Yamamoto is still ramping up to his very best stuff. His 0.98 WHIP ranks eighth in the league, and I'm buying into the consistency of his strikeout tallies.

Yamamoto has racked up 7+ Ks in five of his past seven outings, and his five-pitch arsenal (and 29% whiff rate) will keep the Philadelphia Phillies off balance today. He keeps his walks low — just 13 this year — and that's allowed him to pitch past the sixth inning in each of his last three starts.

It's also worth noting that the Phillies have scored three runs or fewer in six of their past eight games.

  • Time: 4:10 p.m. ET
  • Where to watch: NBCS-Philadelphia, SportsNet-Los Angeles

Ben Rice Over 1.5 total bases (-105)

Put simply, Ben Rice is seeing pitches like soccer balls this week — and he's getting full value for his swings at the top of the New York Yankees lineup. Rice enters this afternoon's clash with the Athletics on a 10-for-17 tear across his last four games, including a homer, a triple, and three doubles.

He ranks second in the majors with a 1.047 OPS, and he's a standout hitter in just about every statistical category, from his .566 xSLG to his 17.7% barrel rate. 

Equally effective against righties and lefties this year, look for Rice to feast against A's starter Jacob Lopez, who drags in a 5.73 ERA and 1.77 WHIP, and I'll take these plus-money odds for another busy day on the bases.

  • Time: 4:05 p.m. ET
  • Where to watch: YES, NBCS-California

Randy Arozarena Over 1.5 hits + runs + RBIs (-105)

After a couple of down years, Randy Arozarena looks back to his best at the plate this season for the Seattle Mariners, and his .292 batting average speaks for itself.

Watch for Arozarena to put an exclamation point on an impressive week here by cashing this Over. He's piled up eight hits across his past six games, cashing this combo prop in three of those outings, and I'm encouraged by his 4-for-8 mark against Arizona Diamondbacks starter Merrill Kelly.

Arozarena's savvy baserunning and his respectable 9.3% walk rate have contributed to 17 runs this month, and the RBI potential is off the charts with the in-form Mariners scoring a combined 40 runs in their last six contests.

  • Time: 4:10 p.m. ET
  • Where to watch: DBacks.TV, Mariners.TV

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

Tom Oldfield’s sports writing journey over the past 20 years has taken him from the Premier League and Champions League to the NFL, NBA, WNBA and MLB, with a wide range of articles and betting previews. Tom has worked closely with London’s Sportsbeat sports news agency as well as (thrillingly!) covering the Toronto Raptors’ 2019 NBA championship run, and he has appeared on BBC World Service and The Back Page podcast.

A graduate of the University of Nottingham in the UK, he is the author of biographies on Cristiano Ronaldo, Rafael Nadal, Gary Neville and Cesc Fabregas, and he co-authors a long-running series of children’s soccer books with his brother, Matt.

As a regular bettor across the top sports leagues, particularly with FanDuel and bet365, he is well versed on all the major markets and the next big game is rarely far from his thoughts. The best betting advice he has received is to monitor multiple sportsbooks to grab the best possible value.

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