How well do seasonal TSR values compare between and Opta numbers?

Dan Kennett has passed me a database that I’ll be using over the forseeable future. First up I wanted to see how reliable the numbers I use (from are in comparison to those provided by Opta. Ted Knutson has taken a look at this previously and shown that shots on target don’t translate well between Opta and the available via However, he also noted that TSR’s line up pretty well. Just how well? The sample below is for the 2008-09 – 2011-12 (inclusive) Premiership seasons, giving a sample size of 80.


I don’t have shot on target numbers to do the same comparison, but TSR’s line up pretty damn well. I think I’ll stick with the free stuff.


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