What company are you calling from? pmc ivermectina df The Yankee lefty will then pitch his final regular-season game in Houston on Friday, and his former club is hoping to honor Pettitte on Saturday or Sunday. The Astros are already planning a pregame ceremony for Pettitteâs Hall of Fame-bound teammate, Mariano Rivera, on Sunday, an event that Clemens is expected to attend, which may make for an awkward reunion.