Vargas paces the White Sox in home runs (nine), runs batted in (30) and has put up a team-best batting average of .233.

Pena paces the Astros with a team-high batting average of .322.

“A good battle against a really good pitcher, [Vargas] put a good swing on it . . . need a couple more push-ups on that one,” manager Will Venable said.