Call them flakes, misfits or screwballs. They are athletes whose offbeat antics mystify teammates and fascinate fans and, over three centuries, Baltimore has been blessed with its share. The Baltimore Sun is counting down The Daffy Dozen, the 12 most memorable characters in the city's sports lore. Today's oddball, No. 6, is former Orioles catcher Clint Courtney, who played for the team in 1954, 1960 and 1961.