The San Francisco Giants and Seattle Mariners open their respective 2021 MLB seasons in a Thursday night game at 10:10 p.m. ET at T-Mobile Park. Let’s analyze BetMGM Sportsbook‘s lines around the Giants vs. Mariners odds with MLB picks and predictions.
RHP Kevin Gausman is the projected starting pitcher for the Giants. A year ago, the veteran right-hander went 3-3 with a 3.62 ERA, 1.11 WHIP, 11.92 K/9 and 2.41 BB/9 over 59 2/3 IP spanning 12 appearances. Albeit in a shortened season, Gausman enjoyed a skills-breakout year in many respects. He does, however, have a history of being a slow starter out of the gate with a .801 OPS allowed with lesser command in the first half.
LHP Marco Gonzales is the projected starter for the Mariners. His 2020 line included a 7-2 record with a 3.10 ERA, 0.95 WHIP, 8.27 K/9 and 0.90 BB/9 over 69 2/3 IP in 11 starts. The 29-year-old southpaw owns a career 3.69 ERA at Seattle’s home park.
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Giants at Mariners odds, lines, picks and prediction
MLB odds courtesy of BetMGM; access USA TODAY Sports for a full list. Odds last updated at 10:20 a.m. ET.
- Money line: Giants -105 (bet $105 to win $100) | Mariners -105 (bet $105 to win $100)
- Against the spread/ATS: Giants -1.5 (+145) | Mariners +1.5 (-175)
- Over/Under: 8 (O: -115 | U: -105)
Prediction
Giants 5, Mariners 4
Money line (ML)
Gonzales was buoyed by a .263 opponent batting average on balls in play last season. Look for regression in those numbers in 2021. The Giants figure to be at their best against lefty pitching.
Peg the visitors as worthy of being about a 10-to-15-cent favorite. There is value in SAN FRANCISCO (-105).
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Run line/Against the spread (ATS)
PASS.
The Giants are a solid play as a side and the run line here has added juice.
Over/Under (O/U)
The Giants have more of an offensive attack than one might think. Their .785 OPS ranked sixth in the league last summer.
In terms of expected fielding-independent ERA (xFIP), both clubs ranked in MLB’s bottom-5 a year ago. Peg Gonzales as being severely overrated by his 2020 surface ERA.
It all adds up to value on the OVER 8 (-115).
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