His father was a star quarterback at Evansville Harrison High School and for the Indiana State Sycamores.

During the final PGA Tour event of 2008, the Children's Miracle Network Classic, Overton was ten days removed from an appendectomy and was ranked 125th, barely hanging on to a full-season exemption.

Following this tournament, Overton reached the top 50 of the Official World Golf Ranking for the first time.

In 2015, Overton barely retained his PGA Tour card, finishing 125th in the FedEx Cup.

Having suffered a serious infection after back surgery in 2017,[7] Overton did not start a world ranking event again until the 2022 3M Open.