The Boston Red Sox have already made one decision for the starting rotation. Boston's depth has been seriously tested this season already. Sonny Gray just returned to the mound after a stint on the Injured List. Garrett Crochet is still on the Injured List, along with depth options like Johan Oviedo, Kutter Crawford and Patrick Sandoval. Ranger Suárez left his last start early and is still a bit up in the air for his next one. Because of the injuries and question marks, Boston has had to turn to some young guys early. For example, both Payton Tolle and Jake Bennett have made two starts or more for Boston after not making the club out of Spring Training. When everyone is healthy, it will be interesting to see how the club opts to build this rotation . With Gray back, the Red Sox don't need as much depth in the big leagues right now, especially if Suárez is good to go. Because of this, after Bennett took the mound against the Tampa Bay Rays on Thursday, Boston optioned him down to Triple-A.…