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Expert Picks & Props to Bet in Orioles vs Rays (May 20)

Ryan Potts

By Ryan Potts in MLB Baseball

Published:


May 15, 2026; Washington, District of Columbia, USA; Baltimore Orioles starting pitcher Shane Baz (34) pitches against the Washington Nationals during the twelfth inning at Nationals Park. Mandatory Credit: Geoff Burke-Imagn Images
  • Shane Baz faces his former team
  • Tampa has taken the first two games
  • Keep reading for my Orioles vs Rays expert picks

The Tampa Bay Rays (32-15) continue their series against the Baltimore Orioles (21-28) on May 20 at 1:10 PM ET from Tropicana Field. In the previous matchup, Tampa Bay secured a comfortable 4-1 victory. The Rays played clean baseball, missing just two walks. Yandy Diaz had two extra-base hits, including a home run. Baltimore struggled to find an offensive rhythm, managing just four base hits, though Taylor Ward provided a solo shot.

Sitting comfortably at the top of the American League standings, the Rays enter this afternoon’s clash as home favorites. Meanwhile, the Orioles are searching for a much-needed road upset to get their season back on track.

Continue reading for my Orioles vs Rays expert picks as well as breakdowns of the pitching matchup and odds.

Orioles vs Rays Prediction, Picks & Best Bets

Tampa Bay boasts a stellar 3.58 team ERA and a 1.18 WHIP, completely overshadowing Baltimore’s collective 4.96 ERA and 1.47 WHIP. Offensively, the Rays hold a comfortable advantage, hitting .262 with a .728 OPS compared to the Orioles’ .232 average and .699 OPS.

With the strong start to the season, the Rays have risen from a distant fifth place to second place in odds to win the AL East. The Orioles were second as recently as April 30, but the Birds have dropped to fourth.

This wager is backed by a highly profitable situational trend: Tampa Bay is an impressive 19-4 (82.6%) straight up as a betting favorite this season. Furthermore, Baltimore has struggled as an underdog, winning just 31.8% of their games (7-15) in that role.

  • Shane Baz Over 2.5 Earned Runs Allowed (-108, DraftKings)

Baz has struggled mightily this season, ballooning his ERA to 5.26 with a 1.52 WHIP. He is running into a formidable Rays lineup that averages 4.96 runs per game at Tropicana Field. Opposing batters are hitting .284 against Baz, and his recent control issues make him a prime fade candidate. This is Baz’s first appearance against his former team.

In nine starts this season, Baz has gone over this total seven times. He maxed out, allowing five earned runs twice.

Starting Pitching Matchup: Shane Baz vs Steven Matz

Baltimore hands the ball to Baz, who has endured a highly volatile campaign. Through 51.1 innings of work this year, he owns a 1-5 record. His struggles keeping runners off the basepaths are glaring, as he allows 9.8 hits and 3.9 walks per nine innings. While his 4.40 FIP indicates some bad luck, the sheer volume of traffic he allows makes navigating this Tampa Bay lineup extremely difficult.

Steven Matz makes his return from the IL to make today’s start. He has pitched to a 4-1 record with a 3.86 ERA in seven starts (37.1 innings). Matz last pitched on May 3, twirling a quality start at home against the Giants. Matz admittedly has a quite high 4.83 FIP courtesy of below average home run, walk, and strikeout rates.

Orioles vs Rays Betting Odds & Public Splits

With these statistical advantages mapped out, examining how the betting markets and public money are reacting reveals further confirmation for these angles.

Bet TypeBaltimore OriolesTampa Bay Rays
Moneyline-105-115
Runline-1.5 (+146)+1.5 (-204)
Total RunsOver 8.5 (-105)Under 8.5 (-115)

Tampa Bay enters this matchup as -115 moneyline favorites, reflecting their dominant home form. Oddsmakers set the game total at 8.5 runs, with the juice currently shaded toward the under at -115. A dive into the opening lines reveals significant movement across multiple markets, heavily driven by action backing the home team. The most dramatic shift occurred on the runline, where Tampa Bay opened as 1.5-run underdogs before overwhelming betting support flipped the market. Now, the market is back to Rays +1.5 with heavy juice (-204).

Odds as of May 20 at 10:30 AM EST from Caesars Sportsbook.

CAESARS SPORTSBOOK


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The MLB public betting splits align perfectly with my primary prediction. A staggering 93.5% of the overall moneyline stake backs Tampa Bay to win outright, leaving Baltimore with just 6.5%. The confidence extends to the runline, where 96.3% of the total stake backs the home side to cover the 1.5-run spread.

Despite Baltimore’s struggles at the plate, bettors are banking on a high-scoring affair. The over has captured 77.5% of the tickets and a dominant 84.0% of the overall money. Because both ticket counts and money percentages heavily favor the same sides well above the 60% threshold, there are no conflicting sharp-versus-public betting situations. The line movement and public money support the data, but my justification remains strictly rooted in the statistical disparities on the diamond.

Orioles vs Rays Injury Report

TeamPlayer NamePositionInjuryStatus
RaysYandy DiazDHHandDay-to-Day
RaysJake FraleyOFGroin10-Day IL
RaysGavin LuxOFShoulder10-Day IL
RaysSteven MatzPElbow15-Day IL
RaysRyan PepiotPHip60-Day IL
OriolesRyan MountcastleIFFoot60-Day IL
OriolesJordan WestburgIFUCL60-Day IL
OriolesHeston KjerstadOFHamstring60-Day IL
OriolesDean KremerPQuad15-Day IL
OriolesZach EflinPElbow60-Day IL
OriolesFelix BautistaPShoulder60-Day IL
OriolesRyan HelsleyPElbow15-Day IL

The most pressing piece of news revolves around Diaz, who left Tuesday’s game after being struck in the hand. He is not in today’s lineup as Jonathan Aranda will take his place as the DH. Ryan Vilade will play at first base.

For Baltimore, their injury report explains why they rank near the bottom of the league in road offense and team ERA. Missing run-producers like Ryan Mountcastle drastically shortens their lineup. On the run-prevention side, their bullpen is in shambles. Without Felix Bautista and Ryan Helsley available to lock down late innings, they are highly susceptible to late-game collapses, reinforcing my angle of fading the road team’s pitching staff.

Ryan Potts

Ryan Potts is a veteran football and baseball content creator. He was previously a credentialed NFL media member, covering the draft, combine, and Super Bowl. He has been featured on Atlanta sports talk radio and Arizona student radio. Ryan is a journalism graduate from the University of Arizona.

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