The Miami Marlins (15-18) and Arizona Diamondbacks (15-19) play the opener of a four-game set Monday at Chase Field with a 9:40 p.m. ET first pitch. Let’s analyze BetMGM Sportsbook‘s lines around the Marlins vs. Diamondbacks odds with MLB picks and predictions.
The Marlins are expected to treat Monday’s contest as a bullpen game. They will face the Diamondbacks for the first time since 2019. The last time they were in Arizona, the Fish lost two of three games.
As of this publishing, the Marlins haven’t announced their “opening” pitcher. Two possibilities are RHP Luis Madero or RHP Jordan Holloway. Madero, who would be making his MLB debut, is 1-0 with a 2.70 ERA, 1.80 WHIP, 8.1 K/9 and 2.7 BB/9 over 3 1/3 IP in 1 start with Triple-A Jacksonville this season. Holloway has made 5 relief appearances with the big-league club in 2021, posting a 1-0 record with a 0.00 ERA, 0.70 WHIP, 9.0 K/9 and 2.7 BB/9 over 10 IP.
RHP Luke Weaver is the projected starting pitcher for the Diamondbacks. He is 1-3 with a 6.07 ERA, 1.38 WHIP, 8.8 K/9 and 3.3 BB/9 over 29 2/3 IP through 6 starts.
Weaver faced the Marlins in Miami last time out, and he was bounced for six earned runs, six hits and two walks with six strikeouts across just four innings in a loss. He hasn’t worked more than five innings since April 11.
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Marlins at Diamondbacks odds, lines, picks and prediction
MLB odds courtesy of BetMGM; access USA TODAY Sports for a full list. Odds last updated at 4:20 p.m. ET.
- Money line: Marlins +105 (bet $100 to win $105) | Diamondbacks -125 (bet $125 to win $100)
- Against the spread/ATS: Off the board
- Over/Under: 8.5 (Over -115 | Under -105)
Prediction
Marlins 8, Diamondbacks 7
Money line (ML)
The MARLINS (+105) will have a bullpen game in the opener of this four-game set. The Marlins just handled the Diamondbacks and Weaver last week, so play the underdogs in Game 1 of this series.
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Run line/Against the spread (ATS)
PASS with the RL off the board.
Over/Under (O/U)
The OVER 8.5 (-115) is the best play on the board here. In fact, the Marlins posted an 8-0 win over Weaver and the Snakes in Miami Wednesday, taking care of the Over on their own. Don’t be surprised if they can do that yet again, although the Diamondbacks will score plenty in this bullpen game for the Fish.
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