The 35-year-old MacDougal was released by the Los Angeles Dodgers, where he sported a 7.94 ERA in seven appearances with four strikeouts and six walks.
MacDougal has 71 saves in his 12-year career. He has saved 20 or more games three times, including a career-high 27 saves with Kansas City in 2003. He posted a team-best 2.05 ERA in 69 appearances for the Dodgers last season.
MacDougal struggled in Spring Training with a 7.88 ERA.