Alex Dingmann v Jason Grenier - Heavyweight Grands - AKA Grand Nationals 2014
Alex Dingmann v Jason Grenier - 2007 AKA Grand Nationals
Jason Grenier v Alex Dingmann Mens Sparring - 2016 AKA Warrior Cup
Raymond Daniels vs Jason Grenier - Team Sparring - Canadian Open 2014
Ross Levine v Jason Grenier Men's Sparring Warrior Cup 2014 AKA Grands
Joey Greenhalgh v Jason Grenier - Men's team sparring - 2010 Ocean States
2012 Diamond Nationals - Deandre Walker v Jason Grenier - Men's Team Sparring
Mathieu Emond v Alex Dingman Irish Open 2018
Jason Grenier v Tray Lazenby - 2012 Battle of Atlanta - Men's Sparring
Alex Dingmann vs Joey Greenhalgh 2005 New England Open Karate Tournament
Jason Grenier v Avery Plowden - 2013 AKA Grand Nationals - Men's Team Sparring
Kim Do Nguyen v Jason Grenier - 2006 Quebec Open
Jason Grenier v Zvenko Gribl - Quebec Open 2011 - Men's Team Sparring
Jason Grenier v Marcel Ritter - Open Weight Challenge - Amerikick Internationals 2016
Alex Dingmann fight
Jason Grenier vs Ross Levine WAKO Style Fighting at New England Open 2011
Roman Brundl v Jason Grenier - Overall Heavyweight Grands - Battle of Atlanta 2015
Chance Turner vs Alex Dingmann - Men's Sparring - US Open 2016
2012 Diamond Nationals - Jason Grenier v Zsolt Moradi - Men's Sparring Run offs
Jason Grenier vs Chad Cannon - Team Sparring Finals - Amerikick Internationals 2014
