Seattle Mariners vs. Colorado Rockies MLB Picks, Odds, Predictions 7/20/2021

Seattle Mariners (49-44) vs. Colorado Rockies (41-53)
July 20, 2021 8:40 pm EDT
The Line: Colorado Rockies -170 / Seattle Mariners+150 ; Over/Under: 10.5
(Click here for latest betting odds)

The Seattle Mariners and the Colorado Rockies meet Tuesday in MLB action from Coors Field. The Mariners are coming off a weekend series versus the Angels. Seattle lost Saturday but managed wins in the other two games of that set. As for Colorado, they played the Dodgers over the weekend. The Rockies lost the first pair but stopped the sweep with a Sunday victory. Check back all season long for free MLB picks at Sports Chat Place. 

Seattle posted a 6-5 win over the Angles in the Friday opener of their series, but fell 9-4 in the Saturday game. In the Sunday matchup, the Mariners managed another win, this time 7-4. Starter Logan Gilbert lasted 5.1 innings with four hits, two walks and two earned in that one. 

For the starter job in the Tuesday game, the Mariners will send out Marco Gonzales. This year Gonzales has 56.2 innings with 62 hits, 37 earned runs, 15 homers allowed, 21 walks, 49 Ks and a 5.88 ERA overall. 

Over on the Rockies’ side, they posted losses to the Dodgers 10-4 Friday and 9-2 on Saturday. In the Sunday finale, the Rockies managed to stave off the sweep with a 6-5 win. Jon Gray lasted 7.0 innings with two earned on six hits and two walks in that game. 

For the starter job on Tuesday, the Rockies will send out German Marquez. In his 112.1 innings this year Marques has 86 hits, 44 runs (42 earned), eight homers allowed, 42 walks, 114 Ks and a 3.36 ERA. 

The Mariners are 4-1 in their last five road games and 5-1 in their last six interleague road games versus a team with a losing record. Seattle is 6-2 in the last eight in game one of a series and 5-2 in their last seven overall. 

Meanwhile, the Rockies are 4-1 in their last five versus a lefty starter and 6-2 in their last eight interleague home games. Colorado is 7-3 in their last 10 interleague games and 7-3 in their last 10 versus the AL West. 

PICK: I like the Rockies in this one. Marquez has been on quite a roll lately, posting just three earned runs in his last five outings over a span of 36.0 innings. He’s coming off a nice 7.0-inning appearance with no earned on three hits versus the Padres on July 10. Gonzales has been a little spotty himself with five home runs allowed over his last two games. The Colorado offense should have some opportunities here. 

Andrew's Free Pick:
Colorado Rockies -170


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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