| Nickname -- | Birthdate -- |
| Height / Weight 6'0" - 170 | Place of Birth Toronto, Ontario, Canada |
UFC 141 results: Dong Hyun Kim defeats Sean Pierson by unanimous decision (30-27, 30-27, 30-27)
Sean Pierson is a welterweight fighter in the UFC. He was forced out of the Bellator season two welterweight tournament with an injury prior to his signing with the UFC as a replacement for the injured TJ Waldburger.
UFC 161 fight card: Barao vs. Wineland
by Tim Burke from Bloody Elbow on May 15, 2013 7:56 PM EDT
UFC 161 results and LIVE fight coverage for 'Barao vs. Wineland' on June 15 in Winnipeg
by Jesse Holland from MMAmania.com on May 9, 2013 12:29 PM EDT
Morning Report: Rousimar Palhares considering drop to welterweight
by Shaun Al-Shatti from MMA Fighting on May 6, 2013 8:00 AM EDT
Kenny Robertson steps in for injured T.J. Waldburger, meets Sean Pierson At UFC 161
by Mike Bohn from MMAmania.com on May 3, 2013 9:00 PM EDT
Kenny Robertson replaces injured T.J. Waldburger against Sean Pierson at UFC 161
by Mookie Alexander from Bloody Elbow on May 3, 2013 2:00 PM EDT
Kenny Robertson in for injured T.J. Waldburger against Sean Pierson at UFC 161
by Luke Thomas from MMA Fighting on May 3, 2013 11:01 AM EDT
UFC 161 fight card: Barao vs. Wineland
by Tim Burke from Bloody Elbow on May 2, 2013 7:00 PM EDT
UFC 159 in Tweets: Pros react to Jones vs. Sonnen, Jones' gruesome broken toe, Bisping vs. Belcher, more
by Shaun Al-Shatti from MMA Fighting on Apr 28, 2013 1:23 AM EDT
UFC 161: Barao vs. Wineland fight card
by Tim Burke from Bloody Elbow on Apr 16, 2013 6:52 PM EDT
Morning Report: Results, recaps and fight videos from a loaded combat sports weekend
by Shaun Al-Shatti from MMA Fighting on Apr 8, 2013 8:00 AM EDT
UFC on FUEL 9 in Tweets: Pros react to Gegard Mousasi vs. Ilir Latifi, Conor McGregor, more
by Shaun Al-Shatti from MMA Fighting on Apr 6, 2013 5:42 PM EDT
Yves Jabouin vs. Dustin Pague added to UFC 161
by Dave Doyle from MMA Fighting on Apr 3, 2013 3:10 PM EDT
UFC 158 fight card: Jake Ellenberger vs Nate Marquardt preview
by Brian Hemminger from MMAmania.com on Mar 13, 2013 7:00 PM EDT
UFC 158 'Prelims' preview and predictions for 'St. Pierre vs Diaz' fights on Facebook (Pt. 1)
by Patrick L. Stumberg from MMAmania.com on Mar 11, 2013 10:30 PM EDT
T.J. Waldburger vs. Sean Pierson Added To UFC 161 In Winnipeg
by George Halvatzis Jr. from MMAmania.com on Mar 8, 2013 10:07 AM EST
UFC 161: Barao vs. Wineland fight card shaping up
by Tim Burke from Bloody Elbow on Mar 7, 2013 7:00 PM EST
UFC 161 adds Stout vs. Vallie-Flagg and Pierson vs. Waldburger
by Mookie Alexander from Bloody Elbow on Mar 7, 2013 2:00 PM EST
UFC 161 fight card and rumors for 'Evans vs. Henderson' on June 15 in Winnipeg, Canada
by Thomas Myers from MMAmania.com on Mar 6, 2013 6:30 PM EST
UFC on Fuel TV 8 fight card: Dong Hyun Kim vs Siyar Bahadurzada preview
by Brian Hemminger from MMAmania.com on Feb 25, 2013 8:01 PM EST
UFC 157 results recap: Court McGee vs. Josh Neer
by Tim Burke from Bloody Elbow on Feb 25, 2013 2:00 AM EST