Complex sentence: He was signed by the Tennessee Titans of the National Football League (NFL) as an undrafted free agent in 2011, and spent his only NFL season, 2011, on the injured reserve list with an Achilles tendon rupture.
Split into simpler sentences: He was signed by the Tennessee Titans as an undrafted free agent in 2011. He spent his only NFL season, 2011, on the injured reserve list with an Achilles tendon rupture.