Complex sentence: After the 1984 Olympics, at which the U.S. team won the silver medal, the coaching staff and all the players left, leaving Liskevych with nothing: no video tapes, no scouting reports, and no national junior team from which players could be drawn.
Split into simpler sentences: After the 1984 Olympics, at which the U.S. team won the silver medal, the coaching staff and all the players left. Leaving Liskevych with nothing; no video tapes, no scouting reports, and no national junior team from which players could be drawn.