Jay “The Thoroughbred” Hieron's Professional MMA debut
Hieron made his professional debut against Keith Plate on July 19, 2003, fighting on the main card of Reality Fighting 4: Sandull vs. Cline.
He made a winning start to his career, defeating Keith Plate who carried a 0-0-0 professional MMA record into the fight.
Jay Hieron beat Keith Plate by KO/TKO at 1:28 of Round 1.
Jay “The Thoroughbred” Hieron's Ultimate Fighting Championship Career
Hieron made his debut in the UFC against Georges St. Pierre on June 19, 2004, fighting on the preliminary card of UFC 48: Payback having compiled a 4-0-0 professional MMA record.
Jay Hieron lost to Georges St. Pierre by KO/TKO at 1:42 of Round 1.
Since his debut, Hieron has gone on to fight a total of 4 more times in the UFC. His UFC record stands at 0-4-0.
Outside the UFC
After his UFC stint, Hieron took his next fight at on March 19, 2005, fighting against Ronald Jhun on the of the regional circuit.
Jay Hieron beat Ronald Jhun by KO/TKO at 4:34 of Round 1.
Return to Ultimate Fighting Championship
After 3 fights outside of the promotion, Hieron returned to the UFC on October 3, 2005, fighting against Jonathan Goulet on the preliminary card of UFC Fight Night 2.
At the time of his UFC return, his professional MMA record stood at 7-1-0
Jay Hieron lost to Jonathan Goulet by KO/TKO at 1:05 of Round 3.
Return to Ultimate Fighting Championship
After 19 fights outside of the promotion, Hieron returned to the UFC on October 5, 2012, fighting against Jake Ellenberger on the co-main event of UFC on FX 5: Browne vs. Silva.
At the time of his UFC return, his professional MMA record stood at 23-5-0
Jay Hieron lost to Jake Ellenberger by Decision at 5:00 of Round 3.
When was Jay Hieron's last win?
Hieron's last win came against Romario Manoel da Silva at Legacy FC 12 on Friday July 13, 2012. Jay Hieron beat Romario Manoel da Silva by Submission at 2:04 of Round 2.