Nick Diaz ‘s apparent bizarre behavior has caught the attention of his girlfriend who is incredibly concerned for the MMA legend. The Stockton native is a true fan-favorite for the older generation of followers and rightly so. Though he never held UFC gold, the now-41-year-old did manage to capture both the WEC and Strikeforce welterweight titles during his rise in the sport. Now, things look to have taken a turn for the worse for Nick Diaz. The UFC star is being considered a suspect after police were alerted to an alarm fire at a local YMCA in his hometown. Diaz was later detained for questioning as a video surfaced of him lighting a fire outside of the building in question