In this 2 RAR files (one today and the other tomorrow) are all the MLS teams participating in this 2016-2017 season

Pack 1:
Chicago Fire
Colorado Rapids
Columbus Crew
DC United
FC Dallas
Houston Dynamo
LA Galaxy
Montreal Impact
New England Revolution
New York City FC

1. Open OpenIV
2. Go to GTA V/x64v.rpf/models/cdimages/streamedpeds_players.rpf/player_one
3. create backup of every ""uppr_diff_004_*_uni.ytd" you replace
4. Extract files from this zip to a folder
5. Make sure to enable edit mode
6. Replace the file with the MLS kits