OAKLAND, CA - MARCH 01: James Michael McAdoo #20 of the Golden State Warriors reacts during their game against the Atlanta Hawks at ORACLE Arena on March 1, 2016 in Oakland, California. NOTE TO USER: User expressly acknowledges and agrees that, by downloading and or using this photograph, User is consenting to the terms and conditions of the Getty Images License Agreement. (Photo by Ezra Shaw/Getty Images)

Two-time NBA champion joins Eastern Conference up-and-comer