Giants rookie Trevor McDonald nails audition, earns another shot at starting

LOS ANGELES — Trevor McDonald said all the right things Sunday, even though he’s just three appearances into his big league career. The Giants right-hander mentioned he was thankful for the opportunity and is simply focused on helping the team win as many games as possible down the stretch. But for the 24-year-old, September is about more than just filling innings.Every opportunity is an audition, and McDonald certainly opened some eyes on Sunday. The game was won, 3-1, after he departed, but he more than did his part, allowing just one run over six-plus innings against a Los Angeles Dodgers club that has had its way with the Giants all season. It’s too soon to know what that will mean for McDonald in the offseason. But for now this much is clear: He has earned another start next weekend. “Yeah, for sure,” manager Bob Melvin said. “You pitch six innings against a lineup like that, you deserve another start.”The Giants have much bigger questions to answer over the final week, but here’s a small one they should probably kick around in meetings next week at Oracle Park: Why did it take so long for McDonald to get a...