Performance by all relief pitchers. Records are given as Wins-Losses-Saves-Holds. "TwoOPS" is the OPS of opposing batters with OBP weighted twice as much as slugging average.
Performance by long relievers, those who enter before the sixth inning regardless of the lead.
Performance by middle relievers, those who enter in the sixth or seventh innings with their team is trailing by no more than a run or leading by no more than three
Performance by late relievers