Glen Perkins appeared to be on the outs with the Minnesota Twins in 2010, his struggles on the mound compounded by a grievance he filed against the team the previous season. Two years later, Perkins is the one arm the Twins know they can count on in the back end of their bullpen. Minnesota and the left-handed setup man agreed Thursday to a four-year contract that adds $10.3 million over three seasons and includes a team option for 2016.