Miami Heat sign rookie guard Breein Tyree

The Miami Heat have signed rookie guard Breein Tyree. It’s likely just a non-guaranteed training camp contract. Tyree played a full four years of college hoops at the University of Mississippi (aka Ole Miss). In 130 career games (109 starts), he averaged 13.8 points, 2.7 rebounds, 2.5 assists and 28.0 minutes, on 42.1 percent shooting …