"I took one because I was stupid," said Patton, who was 2-0 with a 3.70 ERA in 56 games in 2013. "It was the end of the season. It was just a stupid mistake. I don't have trouble focusing all the time, it just enhances focus in certain situations, and I was just tired, basically. I don't want to list that as an excuse. I know I took a banned substance. It was just a poor lapse in judgment."