Hosmer, 27, set career highs in home runs (25) and RBIs (104). Hosmer also became the second player in franchise history to win Most Valuable Player honors at the All-Star Game presented by MasterCard -- Bo Jackson did the same in 1989 -- with a home run and two RBIs.
Hosmer's 34 go-ahead RBIs were second most in the American League behind Albert Pujols (35).
Duffy, 28, had his breakout season in 2016, posting career highs in wins (12), starts (26), innings (179 2/3) and strikeouts (188). He also led Royals starters with a 3.