Cubs acquire RHP Patton from Rangers for Delarosa
The 27-year-old Patton went 1-0 with a 0.96 ERA in nine major league relief appearances in 2015 before splitting last season between the Rangers and Triple-A Round Rock. Patton is 2-1 with a 6.75 ERA in 36 major league relief outings the last two years.
The 19-year-old Delarosa hit .273 with 20 doubles, two triples and 30 RBIs in 62 games for short-season Single-A Eugene last season.
Chicago's 40-man roster now stands at 33 players.