Mariners vs. Reds prediction and odds for Monday, Sept. 4 (Fade Cincy’s bullpen)

Can Seattle extend its lead in the AL West with Bryan Woo on the mound?

Seattle Mariners starting pitcher Bryan Woo.
Seattle Mariners starting pitcher Bryan Woo. / Matt Marton-USA TODAY Sports

The Seattle Mariners and Cincinnati Reds are both in the thick of the playoff race heading into their matchup on Monday afternoon. 

Cincy is tied with the Arizona Diamondbacks, San Francisco Giants and Miami Marlins for the final wild card spot in the National League, making every game crucial for the team down the stretch of this season. 

Meanwhile, the Mariners have a one-game lead on the Texas Rangers and Houston Astros – who face each other this week – in the AL West. Seattle could build that lead with a few wins in this series. 

The Mariners send righty Bryan Woo to the mound in this game against Cincinnati’s Tejay Antone. The Reds reliever missed two seasons with an elbow injury, but he returned on Sept. 2, pitching a scoreless inning. 

How will he fare as an opener on Monday? 

Mariners vs. Reds probable pitchers for Monday, Sept. 4

  • Mariners: Bryan Woo (righty) – 2-3, 4.15 ERA
  • Reds: Tejay Antone (righty) – 0-0, 0.00 ERA

Thinking of betting on this game? Well, if you use the link below to sign up for DraftKings Sportsbook, you’ll instantly receive $200 in bonus bets if you deposit and wager $5 on any game – including this one. 

Let’s dive into the odds and my best bet for this game: 

Mariners vs. Reds odds, run line and total

Mariners vs. Reds prediction and pick

Woo’s ERA has climbed north of 4.00 this season, but he’s actually pitched better than that number suggests, posting a 3.78 Fielding Independent Pitching in 2023.

The young righty also looked good in August for the Mariners, giving up just three runs in three starts – good for a 1.69 ERA.

I think he has the advantage here, even though Antone was solid in his first relief outing. The Reds righty isn’t the issue here, since I can’t imagine him pitching much more than an inning or two in this game.

Cincy’s bullpen (4.04 ERA on the season) is going to have to carry it in this game, and I don’t trust the Reds to do so. 

Seattle, on the other hand, has the No. 2 bullpen ERA in baseball, so Woo should have some solid pitching behind him in this game. 

I’ll take the Mariners as road favorites on Labor Day. 


Game odds refresh periodically and are subject to change.

Find Peter Dewey's betting record here.