Starting last year, MLS took a step forward in the development process for young prospects. The league took the connection between first division sides and their USL affiliates and reserve sides to the next level by inserting a new clause that allowed teams to utilize players signed to USL contracts for non-league competitions, strengthening clubs’ depth for midweek cup competitions and helping to bridge the gap between franchises that are technically separate entities.
The addition to the league’s roster rules and regulations, referred to as USL short term agreements, says this:
MLS clubs may sign players from their USL affiliate to Short Term Agreements (up to four-day contracts) for CONCACAF Champions League, AMWAY Canadian Championship, U.