Racing PositionsTwins tab Kintzler closer; Perkins on 60-day DL7YTwins All-Star closer Perkins says he's retiring9YCockcroft: "Tristan's Twenty" for 20132YTristan H. CockcroftRelief Efforts: Be wary of Valverde2YTristan H. CockcroftRelief Efforts: Top 30 holds options2YTristan H. Cockcroft