Celtics' Jayson Tatum reveals how his son changed his life on Father's Day

“When I found out that I was going to be a dad, I was still in college,” he revealed during his NBA Finals media availability on Sunday afternoon. Despite his situation, the Celtics selected Tatum with the third overall pick in the 2017 NBA Draft. The five-time All-Star's son, Deuce, is now six years old.