Former MLB infielder who served as manager of the Chicago Cubs in 2014 and was named manager of the Chicago White Sox in 2016. He served as bench coach for the San Diego Padres from 2008 to 2013.
He was selected 20th overall by the Pittsburgh Pirates in the 1980 MLB Draft.
He received the nickname "The Secret Weapon" during his playing days for the Florida Marlins, from 1993 to 1994.
He was born in Harbor City, California.
He was hired by the Cubs before the 2014 season to help develop the team's young talent, especially star shortstop Starlin Castro.