Scott Chiamparino

Scott Chiamparino was worth +0.5 in ERA alone, more than his entire career total of -5.3 once everything else is counted against him. The peak came in 1990, -1.0, 225th that season and 23326th of 51,303 player-seasons on record. The value came from ERA (+0.5). It leaked back out through strikeouts (-2.4), wins (-2.4) and WHIP (-0.1).