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Free Picks MLB Baseball San Francisco Giants vs. Seattle Mariners – 4/3/2021 Free Pick & MLB Betting Prediction

San Francisco Giants vs. Seattle Mariners – 4/3/2021 Free Pick & MLB Betting Prediction

April 2, 2021 by Tanner McGrath

San Francisco Giants vs. Seattle Mariners - 4/3/2020 Free Pick & MLB Betting Prediction

Free MLB Pick: Giants vs. Mariners Odds

Looking for San Francisco Giants vs. Seattle Mariners free MLB predictions? MLB betting sees the Giants taking on the Mariners on Saturday, April 3rd, 2021 at T-Mobile Park. Cappers Picks provides complimentary expert handicapping picks on all MLB baseball matchups all season long so stay tuned for more FREE daily MLB predictions like this Giants Mariners free pick.

2021 MLB Handicapping

(0-1) San Francisco Giants vs. Seattle Mariners (1-0)
Date: Saturday, April 3rd, 2021
Time: 9:10 PM ET
Venue: T-Mobile Park, Seattle, Washington
Projected Pitchers: Logan Webb vs. Chris Flexen
MLB Moneyline Odds: Giants -125, Mariners +107
MLB RunLine Betting Odds: Giants -1.5 , Mariners +1.5
MLB Baseball Gambling Total: 9

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San Francisco Giants

Starting pitcher Logan Webb is young and has some potential.

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After becoming a regular starter in 2019, Webb is looking for any kind of regression after posting two straight seasons of a .340 BABIP and a much higher FIP than ERA.

Either way, Webb is reliable. He made 11 starts in 2020 and pitched 54.1 innings.

But, the Giants were a defensive-minded team last season. San Fransisco is live offensively.

The Giants finished top-10 in both OPS and wRC+ in 2020, and young outfielder Mike Yastrzemski is a total stud.

Seattle Mariners

The Mariners have unearthed former Mets prospect Chris Flexen. And, Seattle is trying to turn him into a big league starter.



Flexen is 26 and spent the past few years in-and-out of the Mets farm system. In 2020, he pitched in the Korean Baseball league, and actually posted a 2.74 FIP there.

However, as a big league pitcher with the Mets in 2019, Flexen was not very good. He played in nine games, had no starts and posted a xFIP of 7.81.

The Mariners were one of the worst offenses in the league last season, and actually were the worst home offense in the league last season. They posted the worst OPS at home of any team in baseball.

Free San Francisco Giants vs. Seattle Mariners MLB Prediction:

Seattle is literally throwing out a completely new pitcher.

Meanwhile, San Francisco’s Webb has performed decently against this Mariners team in the past. In a small sample size vs. Seattle’s lineup, Webb has a sub-4.0 FIP.

I think the Giants offense overpowers Flexen and the relatively weak Seattle offense. San Fransisco’s opening day start was a fluke, and the Giants should steal this road win on the way to a promising season.

4* Free MLB Betting Pick: Giants ML

Take the Giants on the moneyline this Saturday and cash in on MLB action.

MLB Free Score Prediction: Giants 6 – Mariners 4 (Bet Now!)

If you’re looking for more MLB picks like this San Francisco Giants vs. Seattle Mariners matchup we’ll be providing 4* free MLB plays on the blog all season long, and check out our Experts for guaranteed premium & free MLB Baseball picks!

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About Tanner McGrath

Tanner is both a long-time sports fan and, more importantly, a long-time degenerate. He’s a New Hampshire-native who has relocated to Canada, and while he has a love affair with Boston sports, he mostly caps college basketball. Here are a few of his favorite things: Home dogs, reverse line movement, sharp money, and day games to get through the workday. He hopes that this writer-reader relationship will be both rewarding and profitable. Stay tuned for more free picks daily from Tanner!

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Filed Under: MLB Baseball

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