Knowing there was confusion surrounding a similar play the Reds reviewed during Thursday's controversial win over the Marlins, Gonzalez figured he had to at least try to challenge with the hope of getting a ruling that would have accounted for a go-ahead run.
"I'm just going to throw it out there after watching some of the stuff that is going on," Gonzalez said. "I was just thinking, 'Why not at that stage of the game?'"
Gattis hesitated on the bunt and was at least 10 feet from the plate when Rivera received the throw. The replay showed Rivera tagged a sliding Gattis in front of the plate.
Mark Bowman is a reporter for MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.