Right-handed reliever known for his fastball and slider, he made his MLB debut in 2010 for the Washington Nationals and saved 43 games for them in 2011.
He attended Brownsburg High School in Indiana, where he was two-time first-team all-state.
He missed a large portion of the 2012 season due elbow surgery.
His father is sportscaster Mark Patrick.
Slugger Adam Dunn was his teammate on the Nationals.