Aoki hit .286 with eight homers and 37 RBI and stole 2o bases for the Brewers last season. He is under contract from $2 million next season. Aoki came to the States from Japan two years ago and has a .756 OPS in 305 career major league games.
Smith, 24, had a 3.24 ERA, 0.93 WHIP and 43 strikeouts in 33.1 innings this year for the Royals. He was primarily used out of the bullpen.