Added to Roster
Rob has been added to the Poly Prep Country Day 2014 baseball roster.Rob has been added to the Poly Prep Country Day 2014 baseball 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
Rob Kollmer-deleon
- Rob has been added to the Poly Prep Country Day 2014 baseball roster.
Rob Kollmer-deleon's Bio
View Full Bio
Recent Baseball Games
Poly Prep Country Day High School 
© 2026 MaxPreps, Inc.
MaxPreps is a registered trademark of MaxPreps, Inc.