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Old 12-02-2020, 10:03 PM   #22
Garlon
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Join Date: Jun 2004
Posts: 4,378
TH overall league output is controlled by the league totals modifiers. The good fielders are disproportionately good and help their team in run prevention far more than they should be able to do so. There is also a defensive efficiency statistic in OOTP that tracks player efficiency on plays they are making. For Cal Ripken who is at the top of that list for SS his efficiency was 1.20, meaning he made 20% more plays than the average SS. That means with over 500 assists he made more than 100 plays above average. With the average SS play being worth about .75 runs that also turns out to the 75 runs saved he has that season.

The only calculation that I think they have wrong for runs saved might be for catchers. I think they are undervaluing errors, passed balls, and caught stealing for some reason.

The conversion of additional plays made to runs saved for the other positions seems to be accurate.

The average player at a position with save 0 runs above average. When you have these players putting up impossible values that means there must be many other players performing significantly below average. The defensive efficiency for players gives you good information for translating the player performance. For infielders thus refers to assists and for outfielders this refers to put outs. So if an outfielder has 300 PO and has an efficiency of 1.05, you take 300/1.05 = 286, and this means the average outfielder was only expected to make 286 of those plays, so this player is 14 plays above average. Outfielder plays are worth about 0.50 runs and infielder plays are worth about 0.75 runs roughly.
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