D.C. United connects to Portland Timbers in 2 degrees through coaching. First, D.C. United links to New England Revolution via coaching: Bruce Arena managed D.C. United (1996–1998) and New England Revolution (2019–2023). Finally, New England Revolution links to Portland Timbers via coaching: Caleb Porter managed Portland Timbers (2013–2017) and New England Revolution (2024–2025).