August 15, 2012 (Mariners 1, Rays 0)
Hernandez pitched the Seattle Mariners' first perfect game and the 23rd in baseball history, overpowering the Tampa Bay Rays in a brilliant 1-0 victory. The Mariners' ace and former AL Cy Young Award winner has long talked of his desire to achieve pitching perfection. He finally accomplished it against the Rays, striking out the side twice and finishing with 12 strikeouts. It was the third perfect game in the 2012 MLB season.