Davis Martin looks to return to rotation, and first-half form, for home stretch of White Sox’ playoff push

MINNEAPOLIS — White Sox starter Davis Martin was relegated to watching his teammates from afar while nursing a blister on the middle finger that has sidelined him for two weeks. Suffice to say he’s happy to be watching from the dugout this weekend in Minneapolis, and he’ll be thrilled to be back on the mound next week in Houston. “It's huge,” Martin said after rejoining the team Friday following a quick, sharp Triple-A rehab assignment. “I told my wife after just one day in Charlotte, I was…