Which sentence uses the semicolon correctly?

Morgan played goalie on the travel team; his friend Robbie played midfield.
Troy was looking forward to trying out for the team; unfortunately; he sprained his ankle the day before tryouts.
The soccer team had a great staff consisting of; Coach Smith; the head coach; Mr. Trent, the assistant coach; and Ms. Barton, the athletic trainer.
There are two travel teams this year; the A team; the B team.