Broxton signed a deal that guarantees the former Los Angeles Dodgers closer $4 million to pitch for Kansas City next season. The deal was contingent on him passing a physical Wednesday, no sure thing after he was shut down early last season with elbow trouble.
Broxton had surgery in September to remove bone spurs and should be ready by spring training.
The hard-throwing right-hander is expected to pitch the eighth inning in front of Royals closer Joakim Soria and solidify a young but talented bullpen that returns largely intact.
Bianchi hit .259 for Double-A Northwest Arkansas last season.