 After completing his senior season, Watson declared for the NFL draft and received an invitation to the NFLPA Collegiate Bowl.On January 17, 2015, Watson had nine carries for 55 yards and a touchdown as the National team won the NFLPA Collegiate Bowl and defeated the American team 17-0.Watson and the National team were coached by former St. Louis Rams' head coach Mike Martz as Watson won the NFLPA Collegiate Bowl MVP award for his performance.