 In 1964 , Wilhelm finished with career highs in both saves ( 27 ) and games pitched ( 73 ) . His ERA decreased to 1 @.@ 99 that season ; it remained less than 2 @.@ 00 through the 1968 season . In 1965 , Wilhelm contributed to another passed balls record when Chicago catcher J. C. Martin allowed 33 of them in one season . That total set a modern single @-@ season baseball record for the category . Wilhelm 's career @-@ low ERA ( 1 @.@ 31 ) came in 1967 , when he earned an 8 – 3 record for the White Sox with 12 saves . 
