Holman was the head college football coach for the Franklin & Marshall Diplomats located in Lancaster, Pennsylvania. He held that position for 11 seasons, from 1931 until 1941. His coaching record at Franklin & Marshall was 63 wins, 25 losses and 5 ties. As of the conclusion of the 2010 season, this ranks him #2 at Franklin & Marshall in total wins and #6 at the school in winning percentage ().