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Bob Geren
Robert Peter Geren (born September 22, 1961) is an American former professional baseball catcher and manager, who played in Major League Baseball (MLB) for the New York Yankees (1988–1991) and San Diego Padres (1993). Geren managed the Oakland Athletics from 2007 through 2011. He served in various coaching capacities for the A's and New York Mets, and Los Angeles Dodgers. He is currently the major league field coordinator for the Dodgers.
Source: Wikipedia