Bauer, who is pitching at Triple-A Columbus, wrote and recorded the song, called "Gutter to the Grail" for an Indians' blog called Wahoo's On First. The song mentions several Indians players, including pitchers Justin Masterson, Ubaldo Jimenez and Chris Perez.
Bauer, who has written several other rap songs, is 1-2 with a 2.76 ERA in three starts with the Indians this season. The highly touted right-hander was acquired from Arizona in December. Bauer is 2-2 with a 5.05 ERA in seven starts for Columbus.