Seattle Mariners vs. Arizona Diamondbacks MLB Pick Prediction 9/4/2021 by Tony T.
Mariners at Diamondbacks—MLB free pick is Seattle Mariners -105. Expected to start for Seattle is Marco Gonzales. The lefthander has allowed two earned runs or fewer in seven of his past eight starts. Merrill Kelly to counter for the Diamondbacks. Kelly past five starts allowed fourteen earned runs in 33 1/3rd innings. As this series began the Diamondbacks had lost five of six. Past ten games Arizona batting .204 against lefthanders. In that period Mariners bullpen ERA 1.49 and WHIP 1.18. Play Seattle -105.