Now , RPH has dropped to 2.635 , the lowest on record .
In April , RPH was 2.672 , about the same as the 1968 season , which is famous for being dominated by pitching and led to the lowering of the mound in 1969 .
RPH has dropped to 2.635 , the lowest on record .
In April , RPH was 2.672 , about the same as the 1968 season , which is famous for being dominated by pitching and led to the lowering of the mound in 1969 .