[3][4] In college at the University of Tennessee at Chattanooga, Mason averaged 15.2 points, 9.7 rebounds, and 3.0 blocks during his last year.
[4] Barangay Ginebra San Miguel acquired Mason as an import to play for the 2014 PBA Governors' Cup.
In the tune-up game before the start of the conference, Mason scored 22 points to help the team win against the San Miguel Beermen.
In his debut game on the 2014 PBA Governors' Cup, he tallied 21 points, 15 rebounds, and four assists in the team's win.
[5] In his second game on the 2014 PBA Governors' Cup, the team won again, and Mason finished with 32 points and 19 rebounds against the Meralco Bolts.