Best MLB prop bets Sept. 28: Back Brady Singer, Alonso and Langeliers in regular-season finale

MLB prop bets

season, and I’ve got three picks for the action.

Today’s MLB props narrative: It’s win-and-in for the Cincinnati Reds, who start Brady Singer against the NL-best Milwaukee Brewers. I expect Singer to clear his outs total against a team with nothing to play for.

Check out how I’m betting on them in the best MLB prop bets for Sept. 28, featuring picks on Pete Alonso and Shea Langeliers.

MLB prop bets

Best bet: Singer over 16.5 outs (-130)

On the surface, this line seems light.

  • Singer needs to reach 5.2 IP for this wager to cash. He’s done that in eight of his last 10 starts.
  • The righty has pitched into the sixth inning in eight straight starts, going 7-1 against this line with a 2.49 ERA.

Of course, there are layers to this bet with a playoff spot on the line. Given the importance, Cincinnati will likely have Singer on a shorter leash.

But the Reds did use four relievers yesterday, with three of them having pitched on Friday.

Also, I’m skeptical Milwaukee will trot out its best possible lineup in this game. The Brewers have already clinched the NL’s top seed and will likely give their top dogs a rest ahead of the playoffs.

At the time of writing, the Brewers haven’t released their official lineup. But even if they all play, I think Singer can have a solid day.

Key stat: Milwaukee has lost six of its last eight games while averaging 2.12 runs. In that span, the Brewers rank 28th in wRC+ (63).

Best MLB picks

Alonso over 1.5 bases (+115): After an epic late-season collapse, the New York Mets need a win and a Reds loss to clinch their playoff spot.

It’s been an embarrassing run, but Alonso has done everything possible in September to keep New York afloat.

  • .295/.349/.589 slash line
  • Seven HR
  • 16 RBI

The Polar Bear has cleared this line in three straight games with four XBH in that span.

He went 2-for-4 last night with a home run and a double, and should stay hot against Miami Marlins righty Edward Cabrera.

Alonso is slugging .569 vs. RHP and is 5-for-17 against Cabrera with three HR.

Langeliers over 1.5 total bases (+100): Langeliers is about to put a bow on a monster season.

The Athletics’ catcher has put up career-highs in all three slash categories (.277/.325/.536), home runs (31), doubles (32) and bWAR (3.9).

And he’s absolutely destroyed lefties to the tune of a .367/.374/.667 slash line.

Langeliers has only been walked twice by southpaws all season, while mashing the baseball. That’s a dream for any total base bettor.

Today, he faces Kansas City Royals lefty Cole Ragans.

Langeliers is 0-for-10 against Ragans, but hasn’t seen him this year, which also happens to be one of the worst seasons of the pitcher’s career (5.02 ERA, 1.22 WHIP).

MLB prop picks made at 10:25 a.m. ET on 09/27/2025

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Avery joined NorthStar Gaming as an intern in 2022 before stepping into a full-time role soon after. He loves betting on and analyzing golf — mainly because it’s easier than actually playing — but is a fan of all sports, from the NFL to the UFC.