The New York Mets open a three-game set at Tropicana Field on Monday night, and the market made up its mind in a hurry. Tampa Bay sits at -181 on the moneyline after opening at -162, with the total posted at a modest 8. The pitching matchup explains the move. Our headline play does not sit on either side of that price.
Last Updated: Monday, August 31, 2026
New York Mets vs. Tampa Bay Rays — Time & How to Watch
| Where | Tropicana Field, St. Petersburg, Florida |
| When | Monday, August 31 – 6:40 p.m. ET |
| TV | SNY and Rays.TV |
New York Mets vs. Tampa Bay Rays Betting Preview
Ian Seymour gets the ball for Tampa Bay. The 27-year-old lefty is 9-5 with a 4.21 ERA, a 1.150 WHIP and 128 strikeouts across 107 innings, with a 4.00 strikeout-to-walk ratio. He began the year in the bullpen and moved into the rotation in June, holding the job through a wave of returning arms. His swing-and-miss stuff is real. His recent results are murkier. Over his last three outings he has allowed nine earned runs in 16 2/3 innings, a 4.86 ERA.
Robert Stock draws the assignment for New York, and the numbers are not kind. The 36-year-old right-hander is 0-3 with a 7.40 ERA and 21 strikeouts in 20 2/3 innings over five starts. Opponents are hitting .307 against him. Control has been the bigger problem than contact. He has walked 13 and has not finished five innings in any start, including a three-inning, eight-run outing at Pittsburgh this month.
The team situations could hardly be further apart. Tampa Bay is 82-54 and leads the AL East, riding a four-game winning streak after sweeping San Diego with an 11-inning walk-off on Sunday. New York is 61-76 and last in the NL East, 21 games back, per the current MLB standings. Still, the bats tell a less lopsided story. Over the last 10 games the Rays are hitting .234 and slugging .347, the Mets .242 and .386. Tampa Bay’s pitching has carried it at a 2.80 ERA, against 4.23 for New York.
New York Mets vs. Tampa Bay Rays Odds
| Run Line | Moneyline | Total | |
|---|---|---|---|
| Mets | +1.5 (-145) | +149 | U 8 (-110) |
| Rays | -1.5 (+125) | -181 | O 8 (-110) |
Odds accurate as of August 31, 2026 via TheSpread.com. Odds change, get the latest MLB Odds – Futures – Props
New York Mets vs. Tampa Bay Rays — Who Is the Public Betting?
| Mets | 23% | 77% | Rays |
See the latest MLB Public Betting Splits and make smarter wagers!
Mets vs. Rays Prediction — What Happens After Stock Exits?
Start with the innings nobody is talking about. Stock has not completed five frames in a start this year, and his walk rate is the reason. Thirteen free passes in 20 2/3 innings means traffic, long counts and pitch-count trouble. That hands four or five innings to the New York bullpen, and that bullpen is thin. Devin Williams and Cionel Perez are on the 15-day list, Reed Garrett on the 60-day. Mets pitching has surrendered 13 home runs over the last 10 games.
The other bullpen is not fresh either. Tampa Bay went 11 innings on Sunday, with Drew Rasmussen covering six and the relief corps handling the rest. That is roughly five relief innings the night before a series opener. Seymour has generally worked into the sixth, so the Rays may not need much. However, a short outing pulls tired arms into a game priced as low-scoring.
The counter-case is legitimate. A total of 8 is low for a reason. Tropicana Field’s fixed dome is a long-standing run suppressor, and the Rays’ own bats have been quiet at 1.9 extra-base hits per game. If Seymour goes six and Tampa Bay wins 4-1, this number never gets close. Still, the market has nudged the over from -105 at the open, the only directional signal the total has produced.
The Pick: Over 8 (-110)
Mets vs. Rays Prediction — Can Tampa Bay Actually Pull Away?
Winning and winning by two are different propositions, and the structure here works against the second one. Tampa Bay is the home team, the least favorable setup for laying a run and a half. A home club leading after the visitors bat in the ninth never comes to the plate again, and walk-offs land by exactly one run more often than not. The Rays proved the point on Sunday in an 11-inning 5-4 game.
The market read points the same way. Public money is 77% on the Tampa Bay run line and 87% on the moneyline, and the number has moved with that money everywhere — the moneyline from -162 to -181, the run line from +140 to +125. That is expected movement, not sharp movement. The favorite is being bought at the top. The honest counter is that Stock’s floor is awful, and one three-inning implosion turns this into a laugher.
The Pick: Mets Run Line +1.5 (-145)
Final Thoughts and Bonus Angle
The swing moment arrives early. Watch Stock’s pitch count through three innings. If he is at 60-plus with runners on, the Mets are into their shortened bullpen before the fourth. If he finds the zone and hands over a 2-1 game in the fifth, the low total looks correct instead of soft. Then watch how deep Seymour goes after Sunday’s 11-inning game. For more on both clubs, see our Padres vs. Rays prediction from August 30 and our Astros vs. Mets prediction from August 30.
No third angle stands on its own here, so we are staying with two positions rather than forcing a third. Both rest on the same read, and that is worth saying out loud: this game looks likelier to be untidy and close than clean and one-sided. Recapping the card — Over 8 (-110) and Mets Run Line +1.5 (-145).
MLB Mets vs. Rays FAQ: Monday August 31, 2026
What time does the Mets vs. Rays game start?
First pitch is set for 6:40 p.m. ET on Monday, August 31, 2026. It is the opener of a three-game series between the two clubs, and all three games in the set are scheduled for the same 6:40 p.m. ET start time at Tropicana Field.
What channel is the Mets vs. Rays game on?
The game airs on SNY for New York viewers and on Rays.TV for the Tampa Bay market. Those are the two listed broadcasts for Monday’s series opener. Coverage typically begins shortly before the 6:40 p.m. ET first pitch with each club’s pregame show.
Who is pitching for the Rays tonight?
Left-hander Ian Seymour is the probable starter for Tampa Bay. The 27-year-old is 9-5 with a 4.21 ERA and a 1.150 WHIP this season, with 128 strikeouts in 107 innings. It is his 12th start of the year after he opened the season working out of the Rays bullpen.
Where are the Mets and Rays playing today?
The teams meet at Tropicana Field in St. Petersburg, Florida. The Rays returned to the ballpark for the 2026 season after hurricane repairs to the roof and interior were completed. It remains their full-time home venue for the current campaign.
How many games are left in the Mets-Rays series?
Monday’s game is the first of three. The clubs play again on Tuesday, September 1 and Wednesday, September 2, all at Tropicana Field. So two games remain after the opener, and the series wraps up before both teams move on to their next opponents.