Blue Jays vs Rays Predictions & Expert Betting Guide | Sept 17

by | Sep 17, 2025 | mlb

Blue Jays vs Rays Prediction & Best Bets | Gausman Aims to Shut Down Tampa's Struggling Offense

The Toronto Blue Jays (12th in MLB rankings) head to George M. Steinbrenner Field to face the Tampa Bay Rays (15th) in what shapes up as a pivotal AL East matchup. With Kevin Gausman bringing his elite strikeout stuff against Tampa’s promising young lefty Ian Seymour, we have the makings of an intriguing pitching duel. The Blue Jays’ veteran ace has been remarkably consistent this season despite his .500 record, while Seymour has impressed in limited action for the Rays. I’m particularly intrigued by Gausman’s ability to neutralize Tampa’s lineup with his devastating splitter, creating several compelling betting angles worth targeting.

Quick Picks:

  • Best Bet: Toronto Blue Jays Moneyline (-126) ★★★★☆
  • Top Prop: Kevin Gausman Over 6.5 Strikeouts (-115) ★★★★☆
  • Value Play: Under 8.0 Runs (-120) ★★★☆☆

Toronto Blue Jays vs Tampa Bay Rays Betting Odds & Latest Line Movement

Market Toronto Blue Jays Tampa Bay Rays
Moneyline -126 +106
Run Line -1.5 (+135) +1.5 (-160)
Total Over 8.0 (+100) Under 8.0 (-120)

Opening Line: Toronto -120, Total 8.0

Sharp Money Analysis: Where Pro Bettors Are Placing Their Wagers

The line movement in this game tells an interesting story. Opening at Toronto -120, we’ve seen a modest shift toward the Blue Jays, now priced at -126. This indicates steady action on the road favorite, but not overwhelming enough to trigger significant line movement. What’s more telling is the total, which has held steady at 8 runs but seen the juice shift toward the under (-120). This suggests professional money is respecting both starting pitchers’ abilities to control the game. When the juice moves but the number doesn’t, it typically indicates sharp bettors are positioning themselves without wanting to trigger a full half-run adjustment.

Pitching Matchup: Kevin Gausman vs Ian Seymour – Who Has the Edge?

Toronto Blue Jays: Kevin Gausman (10-10, 3.44)

  • Gausman has been remarkably consistent all season, posting a stellar 1.00 WHIP across 177.2 innings
  • His elite strikeout numbers (171 Ks) against minimal walks (45 BB) demonstrate exceptional command
  • Has pitched at least 6 innings in 18 of his 26 starts this season
  • His splitter remains one of the most effective out pitches in baseball, generating a 38% whiff rate

Tampa Bay Rays: Ian Seymour (3-2, 2.95)

  • Young lefty has impressed in limited action, posting a solid 1.10 WHIP across 42.2 innings
  • Excellent strikeout numbers (52 Ks) with relatively few walks (14 BB) for a rookie
  • Has shown the ability to miss bats with a deceptive delivery and plus changeup
  • Still developing at the major league level with only 7 starts under his belt

Advantage: Toronto. While Seymour has shown promise, Gausman’s track record, experience, and elite splitter give the Blue Jays a significant edge in this pitching matchup. Gausman’s ability to work deep into games also provides Toronto with a substantial advantage.

Bullpen Breakdown

The bullpen comparison reveals another area where Toronto holds an advantage. The Blue Jays’ relief corps has been outstanding, anchored by Jeff Hoffman’s 31 saves (4th in MLB) and Brendon Little’s 29 holds (3rd in MLB). Their late-inning formula of Louis Varland, Seranthony Dominguez and Hoffman has been remarkably effective. Tampa’s bullpen has been solid but not spectacular, with Pete Fairbanks (26 saves) handling closing duties while Griffin Jax and Garrett Cleavinger bridge the middle innings. When factoring in the Rays’ recent bullpen usage—they’ve covered significant innings in their last series—Toronto’s relief pitchers come in more rested and better positioned for success tonight.

Key Betting Trends & Team Statistics That Matter

  • Toronto has dominated the season series against Tampa Bay, winning 7 of 11 meetings
  • The Blue Jays are 7-2 in their last 9 games when Gausman starts as a road favorite
  • Tampa Bay is just 5-12 in their last 17 games against AL East opponents
  • Under is 8-3 in the last 11 meetings between these teams at Steinbrenner Field
  • Kevin Gausman has recorded 7+ strikeouts in 16 of his 26 starts this season
  • The Rays are batting just .221 against right-handed pitching over their last 15 games
  • Toronto has scored first in 9 of their last 12 road games

Vladimir Guerrero Jr. vs Tampa Bay: Can Vladdy Continue His Rays Dominance?

Vladimir Guerrero Jr. has absolutely owned Tampa Bay pitching this season, slashing .342/.415/.605 with 4 home runs and 11 RBIs in 11 games against the Rays. What makes this matchup particularly intriguing is how Guerrero handles left-handed pitching—he’s hitting .311 with a .934 OPS against southpaws this season. With Seymour being a young lefty still finding his footing in the majors, Guerrero could be poised for another big performance. His ability to use the entire field makes him especially dangerous at Steinbrenner Field, where the dimensions play favorably to his opposite-field power.

George M. Steinbrenner Field Factor: How the Venue Influences Today’s Game

As the Rays’ temporary home while Tropicana Field undergoes renovations, George M. Steinbrenner Field presents a unique variable in handicapping this matchup. While we don’t have established park factors for this venue as an MLB stadium, it’s worth noting it typically plays more neutral than the extreme pitcher-friendly confines of Tropicana Field. The dimensions are reasonably standard, but the Florida humidity can sometimes help carry balls, particularly during evening games. Tonight’s forecast calls for mild temperatures around 78°F with minimal wind, suggesting fairly neutral playing conditions. This slight shift from Tropicana’s extreme pitcher-friendly environment could marginally help hitters from both teams, but not enough to significantly impact our handicap.

Expert Prediction & Best Bets for Blue Jays-Rays Showdown

Primary Play: Toronto Blue Jays Moneyline (-126)

I’m backing the Blue Jays on the moneyline as my top play. Gausman’s elite command and ability to work deep into games gives Toronto a significant edge over Tampa’s young southpaw. While Seymour has shown promise, he’s still developing at the major league level, and the Blue Jays’ veteran lineup should be able to make adjustments in their second and third times through the order. Toronto’s superior bullpen, anchored by Hoffman’s elite closing, provides additional late-game security. At -126, we’re getting reasonable value on the clearly superior team. I’d play this up to -135.

Strong Value Play: Kevin Gausman Over 6.5 Strikeouts (-115)

Gausman’s strikeout prop is exceptionally appealing given Tampa’s current offensive struggles. The Rays have been striking out at a 27% clip against right-handed pitching over their last 10 games, while Gausman’s splitter remains one of baseball’s most effective swing-and-miss pitches. He’s exceeded this strikeout total in 16 of his 26 starts this season, and Tampa’s aggressive approach plays right into his strengths. With Gausman consistently working into the 7th inning and averaging just over a strikeout per inning, this number looks a half-strikeout too low.

Worth Considering: Under 8.0 Runs (-120)

While I prefer the other two plays, the under offers solid value at 8 runs. Gausman’s ability to limit hard contact combined with Seymour’s promising early returns creates a compelling case for a lower-scoring affair. Both bullpens have been effective at preventing inherited runners from scoring, and the Blue Jays’ elite high-leverage relievers should be able to protect a lead if given one. The history between these teams at Steinbrenner Field also suggests unders have been profitable. I wouldn’t play this lower than 8, but at the current number and price, it’s worth consideration.

Player Props Worth Targeting in Today’s Matchup

Player Prop Odds Rating
Kevin Gausman Over 6.5 Strikeouts -115 ★★★★☆
Vladimir Guerrero Jr. Over 1.5 Total Bases +110 ★★★★☆
Ian Seymour Under 5.5 Strikeouts -130 ★★★☆☆
Bo Bichette To Record a Hit -225 ★★★☆☆

Final Thoughts: Gausman’s Elite Command Makes the Difference

When analyzing this matchup, Gausman’s elite command and experience give Toronto a substantial advantage that isn’t fully reflected in the current line. The Blue Jays’ veteran lineup should be able to make the necessary adjustments against Seymour, particularly in the middle innings when many young pitchers tend to falter. Toronto’s superior bullpen provides additional confidence in backing the road favorite. While Tampa Bay has typically been tough at home, their temporary stadium situation removes some of that historical advantage. Trust the process and back Toronto to continue their dominance in this AL East rivalry.

Score Prediction: Toronto Blue Jays 4, Tampa Bay Rays 2

100% Free Play up to $1,000 (Crypto Only)

BONUS CODE: PREDICTEM

BetOnline

MLB Betting Guide

New to betting on baseball? We’ve got you covered! Our comprehensive how to bet on baseball article explains all the different types of wagers offered at the sportsbooks including money lines, over/unders, run lines, parlays and more! Also get tips and strategies to increase your odds of beating the bookies!