Jason “treysfull21” Mercier

Jason “treysfull21” Mercier
Name Jason "treysfull21" Mercier
Nickname treysfull21
Nationality American
Age 38
Socials
Streams on
High Stakes Poker
World Series of Poker
Type

Jason Mercier, also known online as “treysfull21,” is an American professional poker player and former member of Team PokerStars Pro. Born on November 12th, 1986, in Fort Lauderdale, Florida, Mercier has achieved significant success in the poker world. He has won 6 WSOP bracelets and accumulated a total of $21.1 million in live tournament earnings. His largest live cash of $1,622,181 came when he finished as the runner-up in a Super High Roller event in Las Vegas in 2014.

In addition to his accomplishments on the live circuit, Mercier has also established a formidable presence online. Competing under the alias treysfull21, he has earned a lifetime total of $2,263,115 in online poker, with his biggest cash amounting to $491,715. 

Jason Mercier: Early Life

Mercier was born on November 12th, 1986, in Fort Lauderdale, Florida. He began playing poker in his late teens but only started to take it seriously during college. Prior to discovering poker, Mercier was certain he would become a math teacher and was even pursuing that career path. He first encountered poker in high school, playing with friends, and after the poker boom, he shifted his focus to online play. Competing under the alias “treysfull21,” Mercier primarily concentrated on cash games while also exploring tournament play.

Jason Mercier: Poker Journey on High Stakes Poker

Jason Mercier debuted on February 21st, 2010, in HSP Season 6 Episode 3. He participated in a $400/800 +$200 ANTE ($1.6K) No Limit Hold ’em game with Eli Elezra, Tom Dwan, Dario Minieri, and others. Mercier won $28,000.

He encountered his biggest loss on March 5th, 2010, in HSP Season 7 Episode 6. Mercier engaged in a $400/800 +$200 ANTE ($1.6K) No Limit Holdem game with Daniel Negreanu, Phil Ivey, Antonio Esfandiari, and others. He faced a substantial loss of $211,600.

Mercier vs. Ivey on High Stakes Poker

Jason achieved his best live cash on HSP, $32,900 during HSP Season 7 Episode 6, which aired on March 28th, 2011. Mercier played in another $400/800 +$100 ANTE No Limit Hold ’em game. He was seated with Jonathan Duhamel, Phil Laak, Barry Greenstein, and others.

His most recent appearance was on April 19th, 2011, during HSP Season 7 Episode 8. Jason competed in a $400/800 +$100 ANTE No Limit Hold ’em game against Haralabos Voulgaris, and others. He ended the night down $13,100.

Jason Mercier: Live Tournament Participation

Jason Mercier recorded his first live cash in April 2008. He participated in a €4,700 + 300 No Limit Hold’em Main Event at the European Poker Tour in Sanremo. Mercier finished 1st and won $1,372,893.

Mercier’s First EPT Win in 2008

In June 2014, he achieved his best live cash at the Super High Roller in Las Vegas. Jason took part in a $100,000 + 2,000 No Limit Hold’em Super High Roller. He finished as a runner-up and took home 2nd $1,622,181 in prize money.

His most recent live tournament participation was in July 2024. He competed in a $25,000 Limit H.O.R.S.E. High Roller Bracelet Event at the 55th WSOP in Las Vegas. Mercier ended up in 11th place and cashed for $55,263.

Mercier’s 6 WSOP Bracelets

  • June 2009 $1,500 Pot Limit Omaha at the 40th WSOP in Las Vegas (1st place, won $237,462)
  • June 2011 $5,000 Pot Limit Omaha Six Handed at the 42nd WSOP in Las Vegas (1st place, won $619,575)
  • June 2015 $5,000 No Limit Hold’em Six Handed Event at the 46th WSOP in Las Vegas (1st place, won $633,357)
  • June 11th, 2016 $10,000 No Limit 2-7 Draw Lowball Championship Event at the 47th WSOP in Las Vegas (1st place, won $273,335)
  • June 15th, 2016 $10,000 H.O.R.S.E. Championship Event at the 47th WSOP in Las Vegas (1st place, won $422,874)
  • June 2023 $1,500 No Limit 2-7 Lowball Draw Bracelet Event at the 54th WSOP in Las Vegas (1st place, won $151,276)
Mercier Wins 6th WSOP Bracelet ($151,276)

treysfull21 on Online Poker

Mercier has built a strong online presence. Competing under the alias “treysfull21,” he has amassed a total of $2,263,115 in online poker earnings. On September 20, 2010, he achieved his largest single cash prize by winning the $1,050 NL Hold’em event at the WCOOP-42, securing $491,715.

Conclusion

Jason Mercier’s poker journey is a story of passion and dedication. What began as a college interest became a stellar career, highlighted by six WSOP bracelets and over $21 million in live winnings. His online success as “treysfull21” adds to his impressive record.