The Welterweight title was introduced at UFC Brazil- Ultimate Brazil 1 to let you all know.
1st champion: Pat Miletich, defeated Mikey Burnett, held title from UFC Brazil- Ultimate Brazil 1 until UFC 31. Lost title due to Submission (Bulldog Choke).
2nd Champion: Carlos Newton, defeated Pat Miletich, held title from UFC 31 until UFC 34. Lost title due to KO (Slam).
3rd Champion: Matt Hughes, defeated Carlos Newton, held title from UFC 34 until UFC 46. Lost title due to Submission (Rear Naked Choke).
4th Champion: BJ Penn, defeated Matt Hughes, held title from UFC 46 until UFC 48. Lost title due to Vacation.
5th Champion: Matt Hughes, defeated Renato Verissimo, current UFC Welterweight Champion.
1st champion: Pat Miletich, defeated Mikey Burnett, held title from UFC Brazil- Ultimate Brazil 1 until UFC 31. Lost title due to Submission (Bulldog Choke).
2nd Champion: Carlos Newton, defeated Pat Miletich, held title from UFC 31 until UFC 34. Lost title due to KO (Slam).
3rd Champion: Matt Hughes, defeated Carlos Newton, held title from UFC 34 until UFC 46. Lost title due to Submission (Rear Naked Choke).
4th Champion: BJ Penn, defeated Matt Hughes, held title from UFC 46 until UFC 48. Lost title due to Vacation.
5th Champion: Matt Hughes, defeated Renato Verissimo, current UFC Welterweight Champion.