Three-time Cy Young Award winner Max Scherzer of the Toronto Blue Jays threw 56 pitches over 4 1/3 innings of a Triple-A rehab start on Friday night as he eyes a return to the majors from a right thumb injury. Scherzer allowed two runs and four hits for the Buffalo Bisons in the game against the visiting Columbus Clippers. He struck out four and walked none. “It’s nice to face somebody else and be in a real game,” Scherzer said. “You can take it to another level.” Scherzer, 40, said he will definitely need at least one more rehab start before returning to the majors. “This thumb issue is a serious issue,” Scherzer said. “I’m still not out of the woods. I have to be able to do this at the big