"He tossed me because you can't questions balls and strikes, obviously," Renteria said. "And that's what I was doing."
Play had just resumed in the sixth inning on a cold, rainy night at Great American Ball Park when Renteria was tossed. Votto ended up striking out just as Renteria headed to the clubhouse.
The Reds were ahead, 3-2, at the time of the ejection.
Alyson Footer is a national correspondent for MLB.com. Follow her on Twitter @alysonfooter. This story was not subject to the approval of Major League Baseball or its clubs.