In 1979, the Baltimore Orioles split their left field ABs between left hand hitting Gary Roenicke (279) and Pat Kelly (66) and right hand hitting John Lowenstein (109) and Benny Ayala (63). The result was a left field stat line of .253/.352/.524/.876 with 37 HR and 86 RBI. In 1980, the same group of left fielders hit .290/.293/.429/.722 with 15 HR and 56 RBI.
Fast forward to 1982 when the left field combination of right hand hitting John Lowenstein (302 AB) and left hand hitting Gary Roenicke (174 AB) combined to hit .294/.400/.574/.974 with 33 HR and 94 RBI.