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[cgjackson222]

Originally Posted by HistoricNewspapers

Keep in mind that OPS+ and WAR do account for home field hitting advantage. Sandberg did hit in the friendly confines and it wasn't called that for nothing in that time period. Run scoring certainly got a boost from Wrigley.

I agree that Grich and Sandberg are closer than most people think. But I think OPS+ does control for ballparks.

See this: https://www.mlb.com/glossary/advance...-slugging-plus

On-base Plus Slugging Plus (OPS+)
Definition

OPS+ takes a player's on-base plus slugging percentage and normalizes the number across the entire league. It accounts for external factors like ballparks. It then adjusts so a score of 100 is league average, and 150 is 50 percent better than the league average.

For example, Miguel Cabrera's .895 OPS in 2014 was 50 percent better than the MLB average after being adjusted for league and park factors. As a result, his OPS+ was 150.

The formula
100 x (OBP/lgOBP + SLG/lgSLG - 1)

Why it's useful:
OPS does not tell you how much a player was affected by factors such as his home ballpark's dimensions or altitude. OPS+ attempts to adjust for those factors to give you a context-neutral number.