CLEARWATER, Fla. — If Brandon Marsh will ever graduate from being the lefty-hitting half of an outfield platoon to an everyday player for the Phillies, it’s going to be this year. At age 26, entering his fourth major-league season, the time is now. Imagine how he must have felt, then, when the dull ache in his left knee during his offseason workouts wouldn’t go away. “It was a bit of surprise,” Marsh said Thursday. “Just reached a point where I was like, I need to reach out to the [team]. We got it looked at and just had to do a little cleanup.” That was last Friday. Marsh had arthroscopic sur…
