Estimated OPR · Offensive Production Rating

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.
25485
Saved results
2597
Players
65234
Lookups

Recently calculated

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Grover Hartley
1934 season ·
2.00
Grover Hartley
1930 season ·
3.00
Grover Hartley
1929 season ·
0.83
Grover Hartley
1927 season ·
1.12
Grover Hartley
1926 season ·
-0.08
Grover Hartley
1925 season ·
1.25
Grover Hartley
1924 season ·
2.13
Grover Hartley
1917 season ·
0.56

Top saved seasons

Leaders
  1. Davey Johnson 1975 8.00
  2. Benny Meyer 1925 5.00
  3. Jim Dyck 1954 4.50
  4. Eric Owens 1995 4.33
  5. Miguel Andujar 2017 4.13
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