• When Jake Arrieta started the second game of Tuesday's doubleheader, he was the 45th player the Cubs have used this season. The team record is 53 players, set last season. Reliever Eduardo Sanchez has yet to appear in a game, and when he does, he'll be No. 46.
Carrie Muskat is a reporter for MLB.com. She writes a blog, Muskat Ramblings, and you can follow her on Twitter @CarrieMuskat. This story was not subject to the approval of Major League Baseball or its clubs.