Thunder reportedly lock up guard Cason Wallace with five year, $139 million extension

Cason Wallace is about to take on a much larger role with the Oklahoma City Thunder — and the team had to make sure he wasn't going anywhere.Wallace, 22, and Oklahoma City have agreed to a five-year, $139 million contract extension, a story first reported by ESPN’s Shams Charania.This is a good number for OKC, locking up a starting guard at an average annual salary of $27.7 million (a number that will look better as the salary cap rises in the coming years). With this move, the Thund