e/Catcher's ERA

Information
has gloss	eng: Catchers ERA or CERA in baseball statistics is the earned run average of the pitchers pitching when the catcher in question is catching. Its primary purpose is to measure a catchers game-calling, rather than his effect on the opposing teams running game. Craig Wright first described the concept of CERA in his 1989 book The Diamond Appraised. With it, Wright developed a method of determining a catchers effect on a teams pitching staff by comparing pitchers performance when playing with different catchers.
lexicalization	eng: Catcher's ERA
instance of	e/Baseball statistics