Peralta went 5-4 with a 7.85 ERA in 19 appearances for Milwaukee this year and was designated for assignment in July. He is 47-52 with a 4.88 ERA over his six-year big league career, all with the Brewers. His best season was 2014, when he went 17-11 with a 3.53 ERA as a starter.
The Royals figure to be in rebuilding mode with most of their core free agents and expected to sign elsewhere. Peralta offers an inexpensive, low-risk piece for the bullpen or rotation.
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