P · 3 seasons · 1918 – 1924 · B/T: L/L
William Pierson ranks 1st of 0 pitchers by career roto value, one of the highest totals the site records. No season of his scores higher than 1924, at -2.3, 245th that season and 36184th of 51,303 player-seasons on record.
★ Best season by Z
★ Best season by Z