Giants notes: How Bob Melvin’s managing rotation options during MLB playoff push

SAN FRANCISCO — Before Sunday’s game, Giants manager Bob Melvin said they’re “TBA” for Tuesday’s matchup at Chase Field. During the ensuing blowout loss to the Los Angeles Dodgers, Melvin tried to make sure he will at least have a few more options. Spencer Bivens, one of several long reliever types in the bullpen, was limited to one inning Sunday and JT Brubaker was pulled after two. On Saturday, Tristan Beck was pulled after two innings in a lopsided game. Melvin said the staff tried to save some arms so they can possibly come back to help out Monday or Tuesday, but they also don’t know what kind of length they’ll receive from rookie Kai-Wei Teng in the opener at Chase Field. “It all depends on how much we get out of Teng tomorrow,” Melvin said of the plan for the next couple of days. It’s not a comfortable place to be this time of year, but reinforcements might be on the way. Lefty Carson Whisenhunt will make a rehab start for the Sacramento River Cats on Tuesday and could return from his back strain after that. Whisenhunt could be an option next Sunday at Dodger Stadium.If the Giants can...