He was initially selected in the seventh round of the 2009 Draft by Kansas City.
To make room for Baumann on the 40-man roster, the Padres designated catcher Josmil Pinto for assignment. The 26-year-old Pinto was selected off waivers from the Twins on Nov. 20 and is a .257 career Major League hitter in parts of two seasons with the Twins.
Cash Kruth is a reporter for MLB.com. Follow him on Twitter at @cashkruth. This story was not subject to the approval of Major League Baseball or its clubs.