Bill Burwell

Bill Burwell is the extreme version of a specialist. +3.8 of roto value came from saves, yet his career total is only -1.5. The peak came in 1920, +2.0, 65th that season and 11552nd of 51,303 player-seasons on record. The value came from saves (+3.8). It leaked back out through WHIP (-1.6), strikeouts (-1.3) and ERA (-1.3).