Jason Grenier v Alex Dingmann Mens Sparring - 2016 AKA Warrior Cup
Alex Dingmann v Jason Grenier - 2007 AKA Grand Nationals
Alex Dingmann v Jason Grenier - Heavyweight Grands - AKA Grand Nationals 2014
Jason Grenier vs Ross Levine WAKO Style Fighting at New England Open 2011
Sam Gagnon vs Jason Grenier WAKO Style Fighting at New England Open 2011
Jason Grenier vs Raymond Daniels at US Open 2014
Jason Grenier vs Fortuneto Aversa Mens Fighting at Canadian Open 2013
Jason Grenier VS. Julio Lugo at Diamond Nationals 2012 -1
Jason Grenier vs Joe Men's Team Fighting Final Round 2 at Quebec Open 2013
Alex Dingmann fight
Jason Grenier v VIto Rodriguez - Team Sparring Rd 3 - Amerikick Internationals 2016
Mathieu Emond v Alex Dingman Irish Open 2018
Jason Grenier v Avery Plowden - 2013 AKA Grand Nationals - Men's Team Sparring
Ross Levine vs Jason Grenier Men's Heavy Weight Grand at US Capitol Classics 2011
Ross Levine v Jason Grenier Men's Sparring Warrior Cup 2014 AKA Grands
Alex Dingmann vs Unk - Men's Sparring - US Open 2016
S. WI Open 2014 - Nathan Thorn vs Alex Dingmann - Grand Champion
Jason Grenier v Zvenko Gribl - Quebec Open 2011 - Men's Team Sparring
Josh Horwege v Alex Dingman - Team Sparring - AKA Grand Nationals 2014
2012 Diamond Nationals - Jason Grenier v Zsolt Moradi - Men's Sparring Run offs
