The Giants can’t afford to lose another marquee pitcher, but they might be on the verge of losing another marquee pitcher.

Manager Bruce Bochy wouldn’t definitively say whether closer Mark Melancon, who underwent pronator surgery in September, will be on the Opening Day roster.

“We’re hoping he’s all good to go Thursday,” Bochy said of the opener at Dodger Stadium. “We don’t know at this point, right now, if that will be the case.”

Melancon played catch Tuesday and will throw again Wednesday morning, after which he’ll be re-evaluated. The Giants’ flight leaves for Los Angeles at 1:30 p.m., and the team’s hope is for its $62 million investment to be included in the traveling party. …continue reading here…