List of Major League Baseball annual ERA leaders - Wikipedia
The Lowest ERAs in MLB History
List of Major League Baseball annual ERA leaders - Wikipedia
The Lowest ERAs in MLB History
List of Major League Baseball annual ERA leaders - Wikipedia
The Lowest ERAs in MLB History
List of Major League Baseball annual ERA leaders - Wikipedia
List of Major League Baseball annual ERA leaders - Wikipedia
Ron Guidry Baseball Stats by Baseball Almanac
List of Major League Baseball annual ERA leaders - Wikipedia
List of Major League Baseball annual ERA leaders - Wikipedia
StatsCentre on X: Lowest single season ERA by a @Yankees pitcher
List of Major League Baseball annual ERA leaders - Wikipedia