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Sonny Gray at Plus Money Leads Friday's Best MLB Bets

By Frankie Moss — Frankie covers the news the market overreacts to: injuries, scratches, trade chatter. He makes a living on the other side of the panic. If the whole betting world leans one way after a headline, Frankie is already looking at the fade.

Fri, Jul 10, 2026, 1:33 PM ET

Friday's slate has a few spots where the market hasn't caught up to the pitching mismatch. The most glaring is in Queens, where the Boston Red Sox are +104 road dogs against the New York Mets despite sending Sonny Gray to the mound.

Gray is 10-1 with a 2.61 ERA and a 1.10 WHIP across 89.2 innings this season. He's holding opponents to a .229 batting average. The Red Sox are riding a six-game winning streak, going 8-2 in their last ten, and their offense has been steady enough. The Mets, meanwhile, are 40-54 with a negative-56 run differential. Nolan McLean has been solid with a 3.73 ERA and a 1.12 WHIP, but he's no Gray. The window closes fast on this one.

Down in Miami, the Marlins are laying -119 against the Cleveland Guardians, and I like the spot. Miami has won six straight, going 8-2 in their last ten, while Cleveland is 48-46 with a -9 run differential. Sandy Alcantara takes the ball for the Marlins with a 4.00 ERA and a 10-4 record across 123.2 innings. He's not dominant this year, but he's durable. The Guardians offense is the worst in baseball by xwOBA at .301, and they average just 3.97 runs per game. Parker Messick has been excellent for Cleveland with a 2.80 ERA and a 1.08 WHIP, but the Marlins' lineup has more thump, a .745 OPS and 4.62 runs per game. I'll be the first to admit I'm biased toward backing a hot team with a veteran starter at a reasonable price.

Another spot that jumps out is Tampa Bay. The Rays are -123 at home against the Seattle Mariners, and Nick Martinez has been one of the most underrated arms in the league. Martinez owns a 2.61 ERA and a 1.13 WHIP with a 7-2 record. He walks almost nobody at 1.62 per nine. The Mariners come in losing three straight, and their offense is the second-worst in the league by OPS at .691, scoring just 4.05 runs per game. Luis Castillo has struggled to a 4.79 ERA and a 1.33 WHIP, and Seattle's lineup has a 23.2% strikeout rate. The Rays are 54-37 with a plus-28 run differential, and they're getting a starter who limits damage.

Three moneyline plays, each built on a clear pitching advantage and a team in better form. Trust the line, not the press conference, the numbers are on the side of the dogs and short favorites tonight.

All three starters have the edge on paper, and the market still offers value on two of them. Take the numbers before they adjust.