Zerah Zequiel "Rip" Hagerman (June 20, 1888 – January 30, 1930) was a Major League Baseball player who played pitcher from 1909-1916.

[1] On December 7, 1912 Hagerman was traded by the Railsplitters to the Portland Beavers of the Pacific Coast League.

[4] In November 1914 the Chicago Whales of the Federal League and Hagerman negotiated a contract, but failed to come to an agreement.

At first he was reluctant to join the club and voiced his desire to return to the Pacific Coast League, however, he signed with St. Paul in March 1917.

This biographical article relating to an American baseball pitcher born in the 1880s is a stub.