San Francisco Giants at Seattle Mariners odds, picks and prediction

Analyzing Saturday’s San Francisco Giants at Seattle Mariners odds and lines, with MLB picks and predictions.

The San Francisco Giants (1-1) and Seattle Mariners (1-1) continue their lid-lifting series with a Saturday 9:10 p.m. ET game at T-Mobile Park. Let’s analyze BetMGM Sportsbook‘s lines around the Giants vs. Mariners odds with MLB picks and predictions.

RHP Logan Webb gets the nod for the visiting Giants. He was 3-4 with a 5.47 ERA, 1.56 WHIP, 7.6 K/9 and 4.0 BB/9 in 54 1/3 IP over 13 appearances, including 11 starts. The young hurler faltered down the stretch after posting a 3.29 ERA through his first 27 1/3 innings.

RHP Chris Flexen is the projected starting pitcher for the Mariners. Last season with the New York Mets, he went 0-3 with a 6.59 ERA, 2.05 WHIP, 6.6 K/9 and 8.6 BB/9 in 13 2/3 IP over nine games, which included just one start. In his three-year career – all with the Mets – Flexen started 11 games and came out of the bullpen 16 times.

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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 12:20 p.m. ET.

  • Money line: Giants -120 (bet $120 to win $100) | Mariners +100 (bet $100 to win $100)
  • Against the spread/ATS: Giants -1.5 (+135) | Mariners +1.5 (-160)
  • Over/Under: 8.5 (O: -115 | U: -105)

Prediction

Giants 4, Mariners 3

Money line (ML)

San Francisco bounced back from an Opening Day, extra-inning setback to defeat the Mariners 6-3 Friday. Look for the Giants to make it two in a row Saturday.

Webb had a solid spring in Arizona (0.53 ERA in 17 IP), and he’s up against a Seattle nine which was woeful in its home yard a year ago (.655 OPS, 30th MLB).

The Giant’s season O/U is 74.5. They’re a club that registered a robust .834 OPS in going 21-15 over their last 36 games in 2020. If they can make enough hay when they aren’t playing the division rival and NL favorites Los Angeles Dodgers and San Diego Padres, the Giants can clear that O/U with relative ease.

Back the GIANTS -120.

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Run line/Against the spread (ATS)

PASS. This play adds juice, and with a likable Under, the extra-run cushion isn’t palatable.

Over/Under (O/U)

Both teams finishing in the bottom-third in offense this season is a solid possibility. Neither pen has been overwrought through two games, and T-Mobile is certainly a pitcher’s yard.

Take the UNDER 8.5 (-105).

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