All cardsRemoving the Best and Worst · SP Outlier Impact · Qualified
SP Outlier Impact · Qualified
Leave-one-out ERA, restricted to qualified starters (55+ IP) — cleaner signal for veterans where one bad start can’t hide behind small samples. · all SPs (25+ IP) · FIP version
One bad start blew up their ERA · BUY tier · Qualified
Top 10 qualified SPs (55+ IP) by ERA drop when their worst start is removed.
One gem is masking their real form · SELL tier · Qualified
Top 10 qualified SPs (55+ IP) by ERA rise when their best start is removed.