RELIEVERS: Who's getting lucky at the break?

Here at the All-Star break, it is a great time to look at some relievers with a large spread between their actual ERA and xERA. Actual ERA tends to trend toward xERA and vice versa as the data set of innings gets larger. Most of these relievers have 30-40 innings at this point in the season, so it is time that these gaps start to narrow. This column looks at the most extreme outliers, giving you some names of relievers who have either been extremely "lucky" and should see a correction, or have been extremely "unlucky" and if given a chance, should see a positive correction. This is good information for trading the "lucky" relievers at the peak of their value or buying the "unlucky" relievers at the bottom of their value.

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