Yutthapong Sitthichot (; born May 8, 1990), known professionally as Petchboonchu F.A.Group (), is a Thai former professional Muay Thai fighter. He is a former five-time Lumpinee Stadium champion and one-time Rajadamnern Stadium across five divisions who was famous in the 2000s and 2010s. Nicknamed "Deadly Knee of the Mekong", he was especially known for his relentless pressure, clinch, and knees. He is now often regarded amongst the greatest fighters in Muay Thai history. Nowadays he currently works as a Muay Thai promoter.
Titles and accomplishments
Lumpinee Stadium 2007 Lumpinee Stadium Bantamweight (118 lbs) Champion 2008 Lumpinee Stadium Featherweight (126 lbs) Champion 2009 Lumpinee Stadium Super Featherweight (130 lbs) Champion 2011 Lumpinee Stadium Lightweight (135 lbs) Champion 2013 Lumpinee Stadium Lightweight (135 lbs) Champion
Rajadamnern Stadium 2014 Rajadamnern Stadium Super Lightweight Welterweight (140 lbs) Champion
Professional Boxing Association of Thailand (PAT) 2006 Thailand Mini Flyweight (105 lbs) Champion 2006 Thailand Light Flyweight (108 lbs) Champion 2007 Thailand Flyweight (112 lbs) Champion 2008 Thailand Super Bantamweight (122 lbs) Champion 2012 Thailand Lightweight (135 lbs) Champion 2014 Thailand Lightweight (135 lbs) Champion 2014 Thailand Super Lightweight (140 lbs) Champion
World Muaythai Council 2013 WMC World Lightweight (135 lbs) Champion
Toyota Marathon 2014 Toyota Marathon Tournament Champion
Awards 2013 Siam Keela "Fighter of the Year" Award
Fight record
|- style="background:#fbb;" | 2015-12-08 || Loss ||align=left| Phetmorakot Petchyindee Academy || Lumpinee Stadium || Bangkok, Thailand || Decision || 5 || 3:00
|- style="background:#cfc;" | 2015-09-20 || Win ||align=left| Matt Embree || Top King World Series || Laos || Decision || 3 || 3:00
|- style="background:#cfc;" | 2015-06-11 || Win ||align=left| Chamuaktong Fightermuaythai || Rajadamnern Stadium || Bangkok, Thailand || Decision || 5 || 3:00
|- style="background:#fbb;" | 2015-04-26|| Loss ||align=left| Kongsak Saenchaimuaythaigym || Rangsit Stadium || Bangkok, Thailand || Decision || 5 || 3:00
|- style="background:#fbb;" | 2015-02-07|| Loss ||align=left| Bobo Sacko || La Nuit des Titans, Final || France || Decision || 3 || 3:00
|- style="background:#cfc;" | 2015-02-07|| Win ||align=left| Mohamed Galaoui || La Nuit des Titans, Semi Finals || France || TKO || 2 ||
|- style="background:#fbb;" | 2014-11-29 || Loss ||align=left| Greg Wooton || Power Of Scotland 17 || United Kingdom || Decision || 5 || 3:00
|- style="background:#fbb;" | 2014-10-31 || Loss ||align=left| Nong-O Kaiyanghadaogym || Toyota marathon || Thailand || Decision || 3 || 3:00
|- style="background:#cfc;" | 2014-10-31 || Win ||align=left| Singdam Kiatmuu9 || Toyota tournament || Thailand || Decision || 3 || 3:00
|- style="background:#fbb;" | 2014-10-09 || Loss ||align=left| Yodwicha Por Boonsit || Rajadamnern Stadium || Bangkok, Thailand || Decision || 5 || 3:00
|- style="background:#fbb;" | 2014-09-10 || Loss ||align=left| Yodwicha Por Boonsit || Rajadamnern Stadium || Bangkok, Thailand || Decision || 5 || 3:00
|- style="background:#cfc;" | 2014-07-25 || Win ||align=left| Chamuaktong Fightermuaythai || Toyota Marathon, final || Bangkok, Thailand || Decision || 3 || 3:00 |- ! style=background:white colspan=9 |
|- style="background:#cfc;" | 2014-07-25 || Win ||align=left| Jimmy Vienot || Toyota Marathon, Semi finals || Bangkok, Thailand || Decision || 3 || 3:00
|- style="background:#cfc;" | 2014-07-25 || Win ||align=left| Victor Nunez || Toyota Marathon, Quarter finals || Bangkok, Thailand || TKO || 2 ||
|- style="background:#cfc;" | 2014-07-08 || Win ||align=left| Saensatharn P.K. Saenchai Muaythaigym || Lumpinee Stadium || Bangkok, Thailand || TKO || 2 ||
|- style="background:#cfc;" | 2014-06-11 || Win ||align=left| Yodwicha Por Boonsit || Rajadamnern Stadium || Bangkok, Thailand || Decision || 5 || 3:00 |- ! style=background:white colspan=9 |
|- style="background:#c5d2ea;" | 2014-05-08 || Draw ||align=left| Yodwicha Por Boonsit || Rajadamnern Stadium || Bangkok, Thailand || Draw|| 5 || 3:00
|- style="background:#cfc;" | 2014-02-28 || Win ||align=left| Yodwicha Por Boonsit || Lumpini Stadium || Bangkok, Thailand || Decision || 5 || 3:00 |- ! style=background:white colspan=9 |
|- style="background:#cfc;" | 2014-02-07 || Win ||align=left| Saenchai || Lumpinee Stadium || Bangkok, Thailand || Decision (Unanimous)|| 5 || 3:00 |- ! style=background:white colspan=9 |
|- style="background:#cfc;" | 2014-01-07 || Win ||align=left| Pakorn PKSaenchaimuaythaigym || Lumpinee Stadium || Bangkok, Thailand || Decision || 5 || 3:00 |- ! style=background:white colspan=9 |
|- style="background:#cfc;" | 2013-12-03 || Win ||align=left| Saenchai || Lumpinee Stadium || Bangkok, Thailand || Decision || 5 || 3:00
|- style="background:#cfc;" | 2013-10-31 || Win ||align=left| Vahid Shahbazi || Toyota Marathon || Thailand || Decision || 5 || 3:00
|- style="background:#cfc;" | 2013-10-11 || Win ||align=left| Singdam Kiatmuu9 || Lumpinee Stadium || Bangkok, Thailand || Decision || 5 || 3:00 |- ! style=background:white colspan=9 |
|- style="background:#fbb;" | 2013-08-08 || Loss ||align=left| Chamuaktong Fightermuaythai || Rajadamnern Stadium || Bangkok, Thailand || Decision || 5 || 3:00
|- style="background:#fbb;" | 2013-07-12|| Loss ||align=left| Kongsak Saenchaimuaythaigym || Lumpinee Stadium || Bangkok, Thailand || Decision || 5 || 3:00
|- style="background:#fbb;" | 2013-05-10 || Loss ||align=left| Singdam Kiatmuu9 || Lumpinee Stadium || Bangkok, Thailand || Decision || 5 || 3:00
|- style="background:#fbb;" | 2013-04-09 || Loss ||align=left| Yodwicha Por Boonsit || Lumpinee Stadium || Bangkok, Thailand || Decision || 5 || 3:00 |- ! style=background:white colspan=9 |
|- style="background:#cfc;" | 2013-02-07 || Win ||align=left| Thongchai Sitsongpeenong || Rajadamnern Stadium || Bangkok, Thailand || Decision || 5 || 3:00
|- style="background:#fbb;" | 2013-01-04 || Loss ||align=left| Yodwicha Por Boonsit || Lumpinee Stadium || Bangkok, Thailand || Decision || 5 || 3:00
|- style="background:#cfc;" | 2012-12-07 || Win ||align=left| Diesellek Aoodonmuang || Lumpinee Stadium || Bangkok, Thailand || Decision || 5 || 3:00 |- ! style=background:white colspan=9 |
|- style="background:#cfc;" | 2012-10-04 || Win ||align=left| Nong-O Kaiyanghadaogym || Rajadamnern Stadium Wanmitchai Fight || Bangkok, Thailand || Decision || 5 || 3:00
|- style="background:#cfc;" | 2012-09-07 || Win ||align=left| Sagetdao Petpayathai || Lumpinee Stadium || Bangkok, Thailand || Decision || 5 || 3:00 |- ! style=background:white colspan=9 |
|- style="background:#cfc;" | 2012-07-31 || Loss ||align=left| Wanchalerm Uddonmuang || Lumpinee Stadium || Bangkok, Thailand || Decision || 5 || 3:00
|- style="background:#fbb;" | 2012-07-07 || Loss ||align=left| Sagetdao Petpayathai || || Surathani, Thailand || Decision || 5 || 3:00
|- style="background:#fbb;" | 2012-06-08 || Loss ||align=left| Nong-O Kaiyanghadaogym || Lumpinee Champion Krikkrai Fight || Bangkok, Thailand || Decision || 5 || 3:00
|- style="background:#cfc;" | 2012-04-03 || Win ||align=left| Wanchalerm Uddonmuang || Lumpinee Stadium || Bangkok, Thailand || Decision || 5 || 3:00
|- style="background:#cfc;" | 2012-03-12 || Win ||align=left| Jomthong Chuwattana || Rajadamnern Stadium || Bangkok, Thailand || Decision || 5 || 3:00
|- style="background:#fbb;" | 2011-10-07 || Loss ||align=left| Singdam Kiatmuu9 || Lumpinee Stadium || Bangkok, Thailand || Decision || 5 || 3:00
|- style="background:#cfc;" | 2011-09-13 || Win ||align=left| Saenchai || Lumpinee Stadium || Bangkok, Thailand || Decision || 5 || 3:00
|- style="background:#cfc;" | 2011-08-02 || Win ||align=left| Singdam Kiatmuu9 || Lumpinee Stadium || Bangkok, Thailand || Decision || 5 || 3:00
|- style="background:#cfc;" | 2011-07-07 || Win ||align=left| Sagetdao Petpayathai || Rajadamnern Stadium || Bangkok, Thailand || Decision || 5 || 3:00 |- ! style=background:white colspan=9 |
|- style="background:#cfc;" | 2011-06-10 || Win ||align=left| Singdam Kiatmuu9 || Lumpinee Stadium || Bangkok, Thailand || Decision || 5 || 3:00 |- ! style=background:white colspan=9 |
|- style="background:#fbb;" | 2011-03-08 || Loss ||align=left| Sagetdao Petpayathai || Lumpinee Stadium || Bangkok, Thailand || Decision || 5 || 3:00 |- ! style=background:white colspan=9 |
|- style="background:#cfc;" | 2011-01-14 || Win ||align=left| Petchmankong Gaiyanghadao || Lumpinee Stadium || Bangkok, Thailand || Decision || 5 || 3:00
|- style="background:#fbb;" | 2010-11-02 || Loss ||align=left| Nong-O Kaiyanghadaogym || Suek Lumpinee-Rajadamnern Special || Bangkok, Thailand || TKO || 3 ||
|- style="background:#fbb;" | 2010-10-05 || Loss ||align=left| Saenchai || Petyindee fights, Lumpinee Stadium || Bangkok, Thailand || Decision || 5 || 3:00 |- ! style=background:white colspan=9 |
|- style="background:#cfc;" | 2010-09-03 || Win ||align=left| Sagetdao Petpayathai || Lumpinee Stadium || Bangkok, Thailand || Decision || 5 || 3:00
|- style="background:#cfc;" | 2010-06-04 || Win||align=left| Sagetdao Petpayathai || Lumpinee Stadium || Bangkok, Thailand || Decision || 5 || 3:00 |- ! style=background:white colspan=9 |
|- style="background:#fbb;" | 2010-05-07 || Loss ||align=left| Sagetdao Petpayathai || Lumpinee Stadium || Bangkok, Thailand || Decision || 5 || 3:00
|- style="background:#fbb;" | 2010-03-12 || Loss ||align=left| Nong-O Kaiyanghadaogym || Suek Petyindee, Lumpinee Stadium || Bangkok, Thailand || TKO || 2 || |- ! style=background:white colspan=9 |
|- style="background:#cfc;" | 2010-02-10 || Win ||align=left| Orono Wor Petchpun || Daorungprabath Fight, Rajadamnern Stadium || Bangkok, Thailand || Decision || 5 || 3:00
|- style="background:#fbb;" | 2009-12-08 || Loss ||align=left| Nong-O Kaiyanghadaogym || Lumpinee Birthday Show || Bangkok, Thailand || TKO || 1 || |- ! style=background:white colspan=9 |
|- style="background:#cfc;" | 2009-09-04 || Win ||align=left| Nong-O Kaiyanghadaogym || Suek Muay Thai champions of Lumpinee Champion Krikkrai || Bangkok, Thailand || Decision || 5 || 3:00
|- style="background:#cfc;" | 2009-08-07 || Win ||align=left| Saenchai || Petchpiya Fight, Lumpinee Stadium || Bangkok, Thailand || Decision || 5 || 3:00 |- ! style=background:white colspan=9 |
|- style="background:#fbb;" | 2009-07-03 || Loss ||align=left| Saenchai || Lumpinee vs. Rajadamnern, Lumpinee Stadium, first opponent || Bangkok, Thailand || Decision (Unanimous) || 3 || 3:00
|- style="background:#fbb;" | 2009-05-01 || Loss ||align=left| Nong-O Kaiyanghadaogym || Suek Petsupapan, Lumpinee Stadium || Bangkok, Thailand || Decision || 5 || 3:00
|- style="background:#fbb;" | 2009-04-03 || Loss ||align=left| Saenchai || Lumpinee Stadium || Bangkok, Thailand || Decision (Unanimous) || 5 || 3:00
|- style="background:#cfc;" | 2009-03-06 || Win ||align=left| Jomthong Chuwattana || Suek Krikkrai Fights, Lumpinee Stadium || Bangkok, Thailand || Decision || 5 || 3:00 |- ! style=background:white colspan=9 |
|- style="background:#cfc;" | 2009-02-06 || Win ||align=left| Wuttidet Lukprabat || || Bangkok, Thailand || Decision || 5 || 3:00
|- style="background:#cfc;" | 2008-12-09 || Win ||align=left| Sanghiran Lukbanyai || Lumpinee Stadium || Bangkok, Thailand || Decision || 5 || 3:00
|- style="background:#cfc;" | 2008-10-31 || Win ||align=left| Pansak Look Bor Kor || Lumpinee Stadium || Bangkok, Thailand || Decision || 5 || 3:00 |- ! style=background:white colspan=9 |
|- style="background:#fbb;" | 2008-09-30 || Loss||align=left| Wuttidet Lukprabat|| Lumpinee Stadium || Bangkok, Thailand || Decision || 5 || 3:00
|- style="background:#cfc;" | 2008-09-03 || Win ||align=left| Puengnoi Phetsupapan || Lumpinee Stadium || Bangkok, Thailand || Decision || 5 || 3:00
|- style="background:#cfc;"