Watch this all-American showdown from start to finish as No. 13 seed Jack Sock took on qualifier Jared Donaldson for a place in the quarter-finals of the Miami Open.
Jack Sock v Jared Donaldson
Replay
Miami
2017R4R4
Watch this all-American showdown from start to finish as No. 13 seed Jack Sock took on qualifier Jared Donaldson for a place in the quarter-finals of the Miami Open.
