most seasons with 20 wins 1948 to 2020
orioles record 1998 to 2005
roy halladay against the yankees and red sox 2002 to 2009
roy halladay against the orioles including playoffs 2002 to 2011
roy halladay against the yankees and orioles including playoffs 2002 to 2011
pedro martinez against the yankees and orioles including playoffs 1998 to 2003
pedro martinez against the yankees and orioles including playoffs 1998 to 2005
juan marichal against the phillies
juan marichal against the dodgers
juan marichal against the dodgers 1961 to 1966
sandy koufax against the giants
sandy koufax against the giants 1963 to 1966
national league winning percentages 1961 to 1966
national league winning percentages 196`-1966
sandy koufax against the astros and mets 1962 to 1966
