Page "On-base plus slugging" Paragraph 13

One fault of OPS is that it weighs on-base percentage and slugging average equally, although on-base percentage correlates better with scoring runs .< ref > Lewis, Michael.

< u > Moneyball: The Art of Winning an Unfair Game </ u >, 2003 .</ ref > Statistics such as wOBA build on this distinction using linear weights, avoiding OPS ' flaws.

Magnifying this fault is that the numerical parts of OPS are not themselves typically equal ( league-average slugging percentages are usually 75-100 points higher than league-average on-base percentages ).

As a point of reference, the OPS for all of Major League Baseball in 2008 was. 749.