Added to Roster
Jon has been added to the Johnson 2017 lacrosse roster.Jon has been added to the Johnson 2017 lacrosse roster.Apps
MaxPrepsFollow your favorite high school teams and players
MP Stats for iPadStat keeping for basketball teams
Pro Photography
Watch
Video CenterSee top plays & highlights of the best high school sports
Live Streams & ReplaysGet access to live game streams and full replays for 8000+ schools
Content Contributors
Tickets
Jon Duffy
Jon has been added to the Johnson 2017 lacrosse roster.Pro Photos
Jon was tagged in the photo gallery "Johnson @ Governor Livingston".
Added to Roster
Jon has been added to the Johnson 2016 lacrosse roster.Added to Roster
Jon has been added to the Johnson 2016 football roster.Added to Roster
Jon has been added to the Johnson 2015 football roster.Added to Roster
Jon has been added to the Johnson 2014 football roster.Jon Duffy's Bio
View Full Bio
Recent Lacrosse Games
Johnson High School 
© 2026 MaxPreps, Inc.
MaxPreps is a registered trademark of MaxPreps, Inc.