• If the Cubs homer on Sunday, they will have homered in nine straight games, which last happened July 12-24, 2013.
• With his 15th home run of the season on Saturday, Anthony Rizzo became the 12th lefty Cubs hitter to reach that mark prior to the All-Star break, and the first since Carlos Pena hit 19 prior to the 2011 break.
• The Cubs and Pirates on Sunday wore retro uniforms from 1953, which was Ernie Banks' debut season with the Cubs. Chicago is 8-4 when wearing throwbacks.
• In addition to the Castillo/Whiteside move, the Cubs selected the contract of left-hander Tsuyoshi Wada and optioned him to Triple-A Iowa, where he has been pitching all season. The club's 40-man roster is full.
Joe Popely is an associate reporter for MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.