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 "Ronald Jones (gridiron football)"): He was signed as an undrafted free agent by the San Francisco 49ers in 2004.
Relevant evidence: No