Scouting Spotlight: Kieran Tierney, Julian Brandt, David Selke

Regarded as one of the best left-backs in Britain by Brendan Rodgers -- along with Danny Rose and Ryan Bertrand, whom the Celtic manager worked with earlier in his career -- sources told ESPN FC that Tierney has emerged as a target for Manchester United this summer as Jose Mourinho looks to solve his problem position by buying a replacement for Luke Shaw...