Starting pitcher Garrett Whitlock allows one run in five innings as Boston splits its opening series in Seattle.

Boston starter Nick Pivetta allows one run and three hits in six innings, striking out 10 batters without a walk.

Brayan Bello answers the call, allowing two runs in five innings as the Red Sox open with a 6-4 win at Seattle.

Brayan Bello starts the opener on Thursday night in Seattle for a Red Sox team with two straight last-place finishes and tempered expectations.

Boston will have just one left-handed reliever on its roster for Opening Day, unless it makes a late move.

Rodriguez is expected to be one of two left-handed relievers in Boston’s bullpen.

Rafaela is expected to be Boston’s starting center fielder, though he could also see time at shortstop and second base.

Cooper Criswell, who was also battling for a spot in the rotation, is optioned to Triple-A Worcester.