WEEI-FM (93.7 FM, "Sports Radio 93.7 WEEI") is a radio station licensed to serve Lawrence, Massachusetts. The station has a sports talk format, simulcast with WEEI (850 AM). Along with its AM sister, it carries Boston Red Sox baseball, Boston Celtics basketball, and the Boston College football and basketball teams. When local programming is not on WEEI, usually ESPN Radio will air. The call letters WEEI-FM, formerly on a station in Westerly, Rhode Island, were granted on September 21, 2011 as part of a call letter shuffle.