Question: For which team did Alex Guerrero, who currently runs his own brand management company for athletes including American football safety Tyrann Devine Mathieu, and a football offensive and defensive lineman sign for as an undrafted free agent in 2006?
Sentence (from "Alex Guerrero (American football)"): Alex Guerrero (born February 16, 1984) is former American football offensive and defensive lineman.
Relevant evidence: Yes