Frederick Lovett Lake (October 16, 1866 – November 24, 1931) was a Canadian professional baseball catcher and major league manager for Boston American and National leagues teams in the early 20th century.Lake hailed from Cornwallis, Annapolis County, Nova Scotia. His professional debut came with the Boston Beaneaters in 1891, but he was in and out of the major leagues, amassing a total of 125 at-bats in five seasons.He was hired as manager of the Boston Red Sox in 1908, though he was replaced after the 1909 season despite leading the Sox to a third-place finish. Shortly after, he was hired by the crosstown Boston Doves, but in his only season for them, he finished 53–100, 50½ games behind the pennant-winning Chicago Cubs.In addition, he played or managed in the Minor leagues in part of 11 seasons spanning 1896–1926.Lake was a long time resident of Boston, where he died at the age of 65.