Fresh off respective award-winning performances at UFC 145, big men Travis Browne and Ben Rothwell have been paired off for a UFC on FOX 4 encounter. The heavyweight tangle was announced overnight by the promotion. Both men won in short order at UFC 145. Browne continued his unbeaten stretch with an arm-triangle submission win over Chad Griggs in just 2:29. It was his first tapout win in the UFC, and only the second of his career as he improved to 13-0-1. For his efforts, he won the Submission…