It seems like most of the teams have their try-out dates set and are working to the grade based system. No mention of the Under Armour league on any of the club websites yet.

Team Try out dates
API Select Aug. 24, Sept. 7
Bethesda Aug. 24, TBD
Breakers Aug. 17, 24, Sept 7
Cannons Aug. 10, 24
Club Blue Aug. 24, 25-27
Crabs Aug. 17, 18, 24, Sept. 7, 9, 14
Diamondbacks Aug. 3, 10, 24
FCA Aug. 17, 24, Sept 7
Hawks Aug. 9, 10, 17
Lax Factory Aug. 24, Sept. 7
Lax World Aug. 31, Sept. 7
Lionheart Aug. 24
Looneys Aug. 24
MadLax Sept. 2, 3, 4, 5, 6
Next Level Aug. 21, 23, 24
Rock Aug. 10, 17, 24
Roughriders Sept. 7, 14
Zingos Aug. 16, 17, 23, 24