Dodgers starting pitcher Zack Greinke is back on track after another bullpen session Friday, and is set to make his return to Cactus League action Monday. Greinke has not pitched in an official game since March 1 due to elbow tenderness, but now has two scheduled starts remaining in the spring. According to MLB.com, Greinke was throwing without pain Friday, and is still hopeful that he will be able to build his arm strength to be able to make his regular-season debut April 5 against the Pirates.