 The team's biggest rival is Plant, and used to be St. Pete and Duval.On Friday, August 31, 2007, the Hillsborough High School football team celebrated its 100th-anniversary season opener with a 43–20 victory over Jefferson High School.The team won the state championship in 1910, 1912*, 1914, 1919, 1926, 1927, 1928, 1929**, 1935, 1942, 1945, 1946, 1948.