He was NBA Coach of the Year 3 times in the 1990s with 3 different teams
[DOC] [TLE] NBA Coach of the Year Award - Wikipedia [PAR] All-NBA Team  All-Rookie Team  All-Defensive Team  v  t  e. The National 
Basketball Association's Coach of the Year is an annual National Basketball ... 
Riley is the only coach to be named Coach of the Year with three different 
franchises.