Joshua May vs Leon Jefferson - Autumn Slam 2009 Men's Sparring Grand Runoffs
Joshua May v Leon Jefferson - Men's Team Sparring - 2012 Golden Gate Internationals
Leon Jefferson vs Joshua May - Autumn Slam 2009 Men's Team Sparring
Leon Jefferson v Joshua Pittman - 2011 Golden Gate Internationals
Leon Jefferson vs. Jack Felton - 2011 Golden Gate Intl's
Leon Jefferson vs Hugh Brown - Autumn Slam 2009 Men's MW Sparring Division
Bryan Young v Joshua May - 2011 Golden Gate Internationals
Josh Pittman vs Leon Jefferson - Autumn Slam 2009 Men's Sparring Grand Championship
2010 NBL Supergrands - Joshua May v Jack Felton
Leon Jefferson v Michael Jefferson WAKO North American Open 2016
Ryan Gonzalez v Michael Jefferson - 2011 Golden Gate Internationals
Kevin Braxton v Leon Jefferson - Men's Team Sparring - 2012 New England Open
Leon Jefferson v Anthony Yadao WAKO North American Open 2016
Leon Jefferson III @ COMPLETE World Martial Arts Championships 2017
Leon Jefferson vs. Bryan Young - 2011 GGI
Greg Betlach vs Leon Jefferson Men's Sparring at New England Open 2012
Leon Jefferson v Jack Felton - 2011 Golden Gate Internationals
Julio Lugo vs Leon Jefferson WAKO Men's Fighting at New England Open 2012
Krisztian Jaroskievicz v Joshua May Irish Open 2017
Joshua May v.s. Julio Castro
