U9 and U10 teams in the ODSL will play 7 v 7 . U9 and U10 teams will be limited to rosters with 12 players maximum.
U11 and U12 teams will play 9 v 9. Roster size will be limited to 16 players.
U13 will play 11 v 11. U13 has a maximum roster size is 18 players.
U14 through U19 teams will play 11 v 11. U14 through U19 the maximum roster size is 22, but only 18 players may dress for any match.