He was signed by the Chicago Bears as an undrafted free agent in 2009.

Taʻufoʻou played at Cal for four years, during which running backs Marshawn Lynch (2005 and 2006), Justin Forsett (2007), and Jahvid Best (2008) each ran for more than 1,000 yards, with Best becoming the 2008 Pac-10 rushing leader.

[1] Taʻufoʻou was signed by the Chicago Bears as a free agent on April 27, 2009.

He was waived, signed to the practice squad, and promoted to the active roster multiple times in the 2012 season.

In the 2013 preseason, Ta'ufo'ou assumed the starting fullback position after the departure of nine-year veteran Greg Jones.