Complex sentence: Bonnar was the runner-up on The Ultimate Fighter 1, his TUF Ultimate Finale loss to Forrest Griffin is considered to be one of the most important fights in the history of the UFC.
Split into simpler sentences: Bonnar was the runner-up on The Ultimate Fighter 1. His TUF Ultimate Finale loss to Forrest Griffin is considered to be one of the most important fights in the history of the UFC.