Zo was born on Jan. 17, 1996, making him 21 years old.
January baby
Arizona Wildcats guard Allonzo Trier (35) smiles with assistant coach Book Richardson, right, as he tries a few 3-pointers himself before the No. 18 University of Arizona Wildcats vs. University of California Golden Bears men's college basketball game on Dec. 30, 2016, at Haas Pavilion in Berkeley, Calif. Mike Christy / Arizona Daily Star
