Mariners vs Reds Prediction & Picks (Sept. 6): Can Cincinnati Complete Sweep?

Devon Platana

Written by: Devon Platana

Last Updated:

Read Time: 4 minutes

mariners vs reds prediction, odds picks


No time to read? See our free statistics and matchup

The Cincinnati Reds look to sweep the Seattle Mariners when they conclude their three-game series on Wednesday. Cincinnati’s bats produced well in the first two matchups, leaving time to tell if tonight’s Mariners vs Reds showdown continues that trend.

Momentum continues being on the Reds’ side with last night’s 7-6 victory over the Mariners. The game was tied 6-6 in the bottom of the ninth inning until Christian Encarnacion-Strand brought home Elly De La Cruz on a single for the walk-off win.

Betting News has everything covered when it comes to the Mariners vs Reds finale, including the latest game odds, as well as the best bets and other important matchup information.

Mariners vs Reds Tonight (Sept. 6)

SEA vs. CIN Game Information

  • Matchup: Seattle Mariners (77-61, 38-32 Away) vs. Cincinnati Reds (73-68, 35-36 Home)
  • Venue & Location: Great American Ball Park (Cincinnati, Ohio)
  • Date: Wednesday, August 6, 2023
  • Game Time: 6:40 p.m. Eastern Time
  • Where to Watch Mariners vs Reds: Bally Sports Ohio, Root Sports Northwest, MLB.TV

Mariners vs Reds Odds

Game odds as of Wednesday, Sept. 6 at 9:50 a.m. ET, courtesy of Bovada. Odds from other sportsbooks may also be mentioned in this article.


  • Seattle Mariners -1.5 (-110)
  • Cincinnati Reds +1.5 (-110)


  • Over 9.5 Runs (-110)
  • Under 9.5 Runs (-110)


  • Seattle Mariners -170
  • Cincinnati Reds +141

Mariners vs Reds Probable Pitchers (Sept. 8)

  • Mariners: Logan Gilbert (27 starts — 12-5, 3.56 ERA)
  • Reds: Lyon Richardson (3 starts — 0-1, 6.75 ERA)

Mariners vs Reds Betting Trends

  • Seattle is 15-5 straight up in its last 20 games against Cincinnati.
  • Cincinnati is 5-0 straight up in its last five games against the AL.
  • The under is 9-3 in Seattle’s last 12 games against the NL.
  • The under is 16-3 in Cincinnati’s last 19 home games.
  • The under is 10-5 in the last 15 Seattle-Cincinnati matchups.

Mariners vs Reds Game Preview

With the first week of September nearly being done, a victory tonight is crucial for both team’s postseason chances.

The Mariners currently occupy the AL’s second wild-card spot, however, they’re only one game away from falling out of the playoff race. Meanwhile, the Reds are the NL’s No. 3 wild-card seed with three teams sitting two or fewer games behind them.

Although Cincinnati has won the first two games of the series, it’s important to remember that Seattle has also won 15 of the last 20 meetings between these clubs. That includes winning eight of 11 matchups at the Great American Ball Park.

Winning won’t be easy, but the Mariners have a great shot at victory any time Logan Gilbert starts on the mound.

mariners vs reds prediction, odds & picks
Will Logan Gilbert lead the Mariners to victory again?

Gilbert is in the midst of his second straight double-digit win season, having gone 12-5 with a 3.56 ERA through 27 starts.

What’s even more impressive is that the 26-year-old right hasn’t lost a start since June 28. Since then he’s made 11 starts, pitching to a 6-0 record and a 2.73 ERA while striking out 69 batters with nine walks issued over 69 1/3 innings.

Unfortunately for the Reds, their pitching situation isn’t nearly as promising tonight. Rookie right-handed hurler Lyon Richardson is set to make his fourth career start.

The former 2018 second-rounder has struggled since making his MLB debut in early August. He’s currently 0-1 with a 6.75 ERA through three starts, having yet to make it to the end of the fifth inning.

Although his play has improved with each passing game, it’s going to take a lot for Richardson to out-duel Gilbert. It also doesn’t help that the Reds’ offense has been solid lately, scoring six-plus runs in each of the last three games.

Mariners vs Reds Prediction and Best Bets

  • Mariners vs Reds Prediction: Mariners 5, Reds 4
  • Mariners vs Reds Best Bets: Reds +1.5 (Best Value: -110 on Bovada) & Under 9.5 total runs (-110 on Bovada)

After the Reds won the first two games, it’s now time for the Mariners to win. Gilbert gives them a pitching edge, as does the fact that they’ve won eight of their last 11 games in Cincinnati.

Having said that, I’m taking the Reds at +1.5 on the spread. I see this being a close game after how the first two encounters with. Besides, there’s always a chance that Cincinnati will pull off the upset and complete the sweep.

It’s also worthwhile to take the under on the 9.5-run total. Again, all but five of the last 20 Mariners vs Reds clashes finished with the under, averaging 8.5 total runs over that stretch. Despite combining for 13 runs last night, expect less offense tonight.

More Betting Content

How can I bet on SEA vs CIN tonight?

All of the top online sports betting sites will have MLB odds, but here are some of the sites we recommend most for baseball betting enthusiasts.

Other MLB Betting Articles

See our Matchup - Free Picks & Stats
Devon Platana
Devon Platana

Devon is a Master of Journalism graduate who joined the sports betting world in 2020. His favorite leagues to cover are the NHL, NBA and NFL, and has a soft spot for fantasy football specifically. Outside of sports, he enjoys the finer things in life like pasta, live music and getting even more tattoos.

This site contains commercial content. We may be compensated for the links provided on this page. The content on this page is for informational purposes only. Betting News makes no representation or warranty as to the accuracy of the information given or the outcome of any game or event.