Redskins rookie quarterback Robert Griffin III (left) won the Heisman Trophy last year, and Colts counterpart Andrew Luck finished second. Their fortunes were reversed on draft day in April when Indianapolis selected Luck with the No. 1 overall pick, and Washington traded up with St. Louis to take Griffin at No. 2. The two will square off Saturday in an exhibition at FedEx Field. (Associated Press)

Redskins rookie quarterback Robert Griffin III (left) won the Heisman Trophy last year, and Colts counterpart Andrew Luck finished second. Their fortunes were reversed on draft day in April when Indianapolis selected Luck with the No. 1 overall pick, and Washington traded up with St. Louis to take Griffin at No. 2. The two will square off Saturday in an exhibition at FedEx Field. (Associated Press)