The left-hander went 6-2 this year in eight appearances, seven of which were starts. In 45 innings, he had a 2.20 ERA and 42 strikeouts with 10 walks. Opposing batters hit just .241 against him in 166 at-bats.
Horacek stands 6-foot-5, 210 pounds. He grew up in Highlands Ranch, Colo., and attended ThunderRidge High School.
Derek Wetmore is an associate reporter for MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.