TRANSFER TRACKER STANDING: Signing UPDATE, July 27 ?The Portland Timbers have signed protector Juan David Mosquera from Colombian top-flight side Independiente Medelln as a U22 Effort player, the club revealed Wednesday. Mosquera, 19, signs up with with the 2026 period with a choice for 2027. He is the Timbers?third U22 Initiative player alongside midfielders David Ayala and Santiago Moreno....