Home US SportsMLB Orioles vs. Rays prediction: Odds, recent stats, trends, and best bets for August 21

Orioles vs. Rays prediction: Odds, recent stats, trends, and best bets for August 21

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The first-place Tampa Bay Rays (76-51) open a crucial AL East series in Baltimore against the Orioles (61-67) tonight. With just five wins in their last ten games, the Rays have seen the Yankees cut into their lead in the division while the Orioles have dropped a full two games behind the Twins in the chase for the final Wild Card spot as the result of being swept by those same Yankees earlier this week.

The Rays dropped two of three earlier this week against the Blue Jays. The usually stingy Tampa pitching staff allowed 21 runs over the three games. As mentioned earlier, the Orioles are also looking to bounce back this weekend. The Yankees’ hurlers held the O’s to five runs in the series. These teams met last weekend in St. Petersburg with the Orioles taking three of the four games.

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Freddy Peralta (5-10, 5.27 ERA) takes the ball for Tampa Bay tonight. After a brutal first start with the Rays (7 Earned Runs over 3.2 Innings), Peralta has been solid allowing three runs over six innings against the Athletics on August 10 followed by a stingy but short effort against these Orioles last Sunday in which he surrendered two runs over 4.2 innings. Trevor Rogers (8-8, 4.15 ERA) gets the start for Baltimore. He was on the winning end last Sunday against the Rays allowing just two runs over six innings. In 16 innings this month the southpaw has allowed six earned runs. Since June 1, Rogers has started 13 games and allowed more than two runs just twice – four earned runs July 29 at Detroit and three earned runs June 9 against the Mariners.

Lets dive further into tonight’s game and find a sweat or two.

We’ve got all the info and analysis you need to know ahead of the game, including the latest info on the how to catch first pitch, odds, recent team performance, player stats, and of course, our predictions, picks & best bets for the game from our modeling tools and staff of experts.

Follow Rotoworld Player News for the latest fantasy and betting player news and analysis all season long.

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Game Details and How to Watch: Rays vs. Orioles

  • Date: Friday, August 21, 2026

  • Site: Oriole Park at Camden Yards

  • Network/Streaming: Apple TV

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The Latest Odds: Rays vs. Orioles

The latest odds as of Friday courtesy of DraftKings:

  • Moneyline: Tampa Bay Rays (+111), Baltimore Orioles (-119)

  • Spread: Tampa Bay Rays +1.5 (-198), Baltimore Orioles -1.5 (+162)

Probable Starting Pitchers – Orioles vs. Rays for August 21

  • Orioles: Trevor Rogers
    Season Totals: 125.2 IP, 8-8, 4.15 ERA, 1.25 WHIP, 108K, 35 BB

  • Rays: Freddy Peralta
    Season Totals: 128.0 IP, 5-10, 5.27 ERA, 1.48 WHIP, 123K, 53 BB

Who’s Hot? Who’s Not! Rays vs. Orioles

  • Yandy Diaz is 7-13 in his career against Trevor Rogers

  • Colton Cowser is 2-5 including 1 HR against Freddy Peralta in his career

  • Tyler O’Neill is 4-16 against Rogers but has struck out 7 times in those 16 ABs

  • Trevor Rogers has struck out at least 6 opposing hitters in 5 of his last 6 starts

Rotoworld still has you covered with all the latest MLB player news for all 30 teams. Check out the feed page right here on NBC Sports for headlines, injuries and transactions where you can filter by league, team, positions and news type!

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Top Betting Trends & Insights: Rays vs. Orioles

  • The O’s are 66-62 on the Run Line this season

  • The Rays are 71-56 on the Run Line this season

  • The OVER has cashed 64 times in Baltimore’s 128 games this season (64-60-4)

  • The OVER has cashed 58 times in Tampa’s 127 games this season (58-64-5)

Expert picks & predictions: Rays vs. Orioles

Rotoworld Bet Best Bet

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Our model calculates projections around each moneyline, spread and over/under bet for every game on the MLB calendar based on data points like past performance, player matchups, ballpark information and weather forecasts.

Once the model is finished running, we put its projection next to the latest betting lines for the game to arrive at a relative confidence level for each wager.

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Here are the best bets our model is projecting for today’s game between the Orioles and the Rays:

  • Moneyline: Rotoworld Bet is staying away from a play on the Moneyline.

  • Spread: Rotoworld Bet is leaning towards a play on the Orioles on the Run Line.

  • Total: Rotoworld Bet is recommending a play on the Game Total OVER 7.5

Follow our experts on socials to keep up with all the latest content from the staff:

  • Jay Croucher (@croucherJD)

  • Drew Dinsick (@whale_capper)

  • Vaughn Dalzell (@VmoneySports)

  • Trysta Krick (@Trysta_Krick)

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