The term 'STAT FOR A RELIEVER' is a baseball term that refers to the statistics of a relief pitcher. The crossword solutions for this term are 'SAVES' (5 letters) and 'ERA' (3 letters). SAVES stands for the number of games a relief pitcher has saved, which is when they come in to pitch and prevent the opposing team from scoring. ERA stands for Earned Run Average, which is the average number of runs a pitcher gives up over a nine-inning game.