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Boston Red Sox vs Seattle Mariners 5/21/22 MLB Picks, Predictions, Odds

Seattle Mariners (17-22) vs. Boston Red Sox (16-22)
May 21, 2022 4:10 pm EDT
The Line: Boston Red Sox -147 / Seattle Mariners +110; Over/Under: +10
(Get latest betting odds)

The Seattle Mariners and the Boston Red Sox meet Saturday in MLB action from Fenway Park. This will be the third installment in a four-game weekend series. The Red Sox took the opener, then on Friday in game two Boston kept it going with a four-run victory. Check back all season long for free MLB picks at Sports Chat Place.

Seattle had an early 4-0 lead in the Thursday opener of this series, but eventually fell behind in a 12-6 loss. On Friday in game two, the Mariners gave up four runs in the third inning and never recovered in a 7-3 loss. Starter Robbie Ray finished on 6.0 innings with four earned, five hits and two walks. 


For the starter gig in the Saturday game, the Mariners will go with Chris Flexen. Across his seven starts so far Flexen is 1-6 with a 4.35 ERA. Over 39.1 innings total he’s got 39 hits, 19 earned runs, 12 walks and 29 strikeouts. 

Over on the Red Sox’ side, they scored two or more runs in five different innings on the way to 16 hits Thursday. On Friday, Boston posted three runs in the eighth inning to cap the victory. Michael Wacha managed 4.2 frames in the start with two earned on four hits and three walks. 

Garrett Whitlock will take the mound for the start on Saturday for Boston. In his nine games (five starts) this year Whitlock is 1-1 with a 2.43 ERA. In 29.2 innings total he has 18 hits, eight earned, 10 walks, 37 Ks and a save. 

The Mariners are 6-16 in their last 22 overall and 4-11 in their last 15 road games. Seattle is 1-4 in the last five Saturday games.
Meanwhile, the Red Sox are 1-4 in the last five in game three of a series and 35-17 in their last 52 at home versus a team with a losing record. The under is 3-0-1 in Boston’s last four in game three of a series. 

PICK: I’m going to take the Red Sox here. Probably staying away, though. Flexen hasn’t pitched too badly over his last trio outside of six earned in 5.0 innings versus Philly. Still, he’s 0-3 in that stretch and taking a ton of losses in general so far this year. As for Whitlock, he’s given up seven earned over his last three starts in a span of 13.0 innings. Boston probably has the better offensive potential right now though, so I’m leaning that way in a win. 

Andrew's Free Pick: Boston Red Sox -147

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Andrew

Andrew has been writing about college, professional and fantasy sports betting since 2013. Andrew's goal is to break down the complicated numbers and trends into a language that's easily accessible to novice sports bettors and seasoned professionals alike.

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