Rivers hasn’t been what the doctor ordered yet and struggling Bucks have work to do down the stretch

Milwaukee Bucks forward Giannis Antetokounmpo (34) drives against Memphis Grizzlies guard Vince Williams Jr. (5) on Feb. 15 in Memphis, Tenn. (AP Photo/Brandon Dill)

Milwaukee Bucks head coach Doc Rivers reacts during the second half of a game against the Denver Nuggets on Feb. 12 in Milwaukee. (AP Photo/Morry Gash)

Milwaukee Bucks head coach Doc Rivers reacts in the second half of a game against the Memphis Grizzlies on Feb. 15 in Memphis, Tenn. (AP Photo/Brandon Dill)

MILWAUKEE — Doc Rivers’ arrival was supposed to ensure the Milwaukee Bucks would develop into one of the NBA’s most dangerous teams by the postseason.