Estimated OPR

How much did a hitter really move the needle?

Look up any batter and season. OPR Lab pulls situational and bases-occupied splits from Baseball Reference, scores every plate appearance, and saves the result so you can come back to it.

e.g. Barry Bonds, bondsba01, or a Baseball Reference link.
Leave blank to browse every season the player has data for.
Every season with data is calculated and saved in the background. You'll see live progress.
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Seasons that fall short are still checked, just not saved.
7664
Saved results
1177
Players
15171
Lookups

Recently calculated

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Chris Chambliss
1984 season ·
1.00
Chris Chambliss
1983 season ·
1.28
Chris Chambliss
1982 season ·
1.22
Chris Chambliss
1981 season ·
1.21
Chris Chambliss
1980 season ·
1.10
Chris Chambliss
1979 season ·
1.09
Chris Chambliss
1978 season ·
1.12
Chris Chambliss
1977 season ·
1.09

Top saved seasons

Leaders
  1. Barry Bonds 2004 2.43
  2. Barry Bonds 2002 2.36
  3. Babe Ruth 1921 2.29
  4. Rogers Hornsby 1925 2.25
  5. Barry Bonds 2001 2.24
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