Clarence “Petie” Cooper, a three-sport standout at Frederick High School, was a dominant southpaw who struck out 19 batters in seven innings to lead Frederick to 1-0, one-hit shutout against Glenelg in 1969. Cooper’s 19 strikeouts on the day allowed him to break his own school record of 18, which he set during the 1968 season. These were the headlines often seen about one of the best athletes to come out of Frederick High School. In 1969, Petie was drafted in the fifth round (110th overall pick) of the Major League Baseball Amateur Draft by the Cincinnati Reds. He played six years in the Minor Leagues with the Cincinnati Reds and Minnesota Twins organizations, reaching the AAA level. Petie’s name is all over the Cadets record books in football, basketball, and baseball. Besides his 19 strikeouts in a game, his 226 career strikeouts is best in the 111 years of Cadets baseball. He holds the FHS school record for wins in a season (13) and career (26). His 1969 season ERA of 0.56 is also etched in as the lowest ever allowed by a Cadet pitcher. The 1969 Cadets would go on the win the Frederick County, Tri-State League, and District pennants. He also set football records, which included throwing 28 touchdown passes during the Cadets’ 10-0 season in 1968.