The instant Nick Diaz revealed that his coaching staff essentially let him down during the post-fight press conference for UFC 158, it became clear that the former Strikeforce champ should promptly make a change.
It's often difficult to cut ties with coaches, training partners and other affiliates of specific training camps. But when a fighter hits a wall, gets neglected or fails to stop evolving both physiologically and psychologically, a radical change must ensue.
Getting integrated into fresh training and learning routines can rejuvenate even the most frustrated fighters.
But there's a thin line between ruining a good recipe and making an intelligent adjustment to staleness or negligence. Rashad Evans represents an example of the former while Robbie Lawler signifies an instance of the latter.
Here are five fighters who should leave their comfort zones and head for greener pastures.