The price for landing the 25-year-old Giles, who has a 100-mph fastball, was steep. Among the players the Astros sent to Philadelphia were former No. 1 pick Mark Appel and hard-throwing youngster Vincent Velasquez, but in Giles the Astros got a player they can control for five years with major upside.
Giles joins a bullpen that ranked fourth in the American League last year with a 3.