Zerah Zequiel "Rip" Hagerman (June 20, 1888 – January 30, 1930) was a Major League Baseball player who played pitcher from 1909-1916. He would play for the Chicago Cubs and Cleveland Indians. In May 1910 Hagerman signed with the Lincoln Railsplitters of the Western League. On December 7, 1912 Hagerman was traded by the Railsplitters to the Portland Beavers of the Pacific Coast League. Hagerman married Maude McQuade in Chicago, Illinois, on May 17, 1910. In November 1914 the Chicago Whales of the Federal League and Hagerman negotiated a contract, but failed to come to an agreement.