Johnson easily won the NL honor on Tuesday after the Nationals bolted to the best record in baseball. Melvin was picked narrowly for the AL award over Baltimore's Buck Showalter in voting by the Baseball Writers' Association of America.
Johnson, who turns 70 in January, was honored for the second time. He was tabbed as the AL's top manager in 1997, hours after he resigned from the Orioles in a feud with owner Peter Angelos.
Melvin. a former Seattle Mariners manager, also became a two-time winner, having been chosen in 2007 with Arizona.
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