Complex sentence: In 1924, Macaulay increased his total of wickets further, to 190 and his bowling average lowered to 13.23, which placed him at the top of the Yorkshire bowling averages, and the national bowling averages.
Split into simpler sentences: In 1924, Macaulay increased his total of wickets further, to 190 and his bowling average lowered to 13.23. He was top of the Yorkshire bowling averages, and finished at the head of the national bowling averages.