Sporting Kansas City connects to St. Louis City SC in 3 degrees through DP transfer, coaching and expansion draft. First, Sporting Kansas City links to LA Galaxy via DP transfer: Dejan Joveljić (Designated Player) traded from LA Galaxy to Sporting Kansas City (2025). The first cash-for-player trade in MLS history at $4 million. Then, LA Galaxy links to New England Revolution via coaching: Bruce Arena managed LA Galaxy (2008–2016) and New England Revolution (2019–2023). Finally, New England Revolution links to St. Louis City SC via expansion draft: Jonathan Bell was selected by St. Louis City SC from New England Revolution in the 2022 expansion draft.