Bullpens allowing lowest OPS, per STATS Perform:
STL: .598
NYY: .599
SD: .632
CLE: .635
WAS: .637

Bullpens allowing highest OPS:
COL: .874
DET: .864
AZ: .811
MIN: .784
LAA: .773

— Ken Rosenthal (@Ken_Rosenthal) May 14, 2021