Rizzo has appeared in 122 of the Cubs' 123 games this season, all but one as a starter (the other as a pinch-hitter). Each game has been at first base, and he's hit primarily from the No. 3 spot.
He's hitting .230 with a career-high 18 homers and 65 RBIs.
Catcher Dioner Navarro was batting third on Monday, and Cody Ransom was at first base.
Joey Nowak is a reporter for MLB.com. Follow him on Twitter at @joeynowak. This story was not subject to the approval of Major League Baseball or its clubs.