On July 20, 2010, the Dodgers and Giants were locked in a tense battle when acting manager Don Mattingly made a fateful mistake. After a brief mound visit in the ninth with the bases loaded, Mattingly turned to leave—then took a few steps back, triggering a rarely enforced rule that counted as a second visit. Forced to replace his pitcher mid-jam, the cold reliever gave up a crushing two-run double that handed the Giants the lead and the win.