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Guthrie last pitched in the Majors for the Royals in 2015, when the right-hander went 8-8 with a 5.95 ERA in 148 1/3 innings over 30 games (24 starts). He spent last season pitching for the Padres and Marlins' Triple-A affiliates, but he did not make any big league appearances.
The 37-year-old has pitched 12 years in the Majors, including stints with the Indians, Orioles, Rockies and Royals.
David Adler is a reporter for MLB.com based in New York. Follow him on Twitter at @_dadler. This story was not subject to the approval of Major League Baseball or its clubs.