One of the outstanding athletes and leaders of his era, D. John Markey coached the University of Maryland football team (then called the Maryland Aggies) from 1902 to 1904. He played football at Boys High School (now Frederick High School) in 1899, captained the reorganized Frederick Football team in 1900, then played and coached at Western Maryland College. Markey served as president and director of the Frederick YMCA and was active in numerous civic organizations. He was a true leader on the field and beyond.