How does Ron Mahay fit in the Twins' bullpen?

Ken Rosenthal reported that the Twins have acquired Ron Mahay, a 38-year old lefty reliever from the Kansas City Royals. This will be a quick post to analyze how Mahay might fit with the team and I will profile him during the weekend.

I will be using PE and xPE to evaluate Mahay's effectiveness compared to the rest of the Twins' pen. Here is the data:

As you can see, Ron Mahay is the Twins' fifth best reliever behind Joe Nathan, Matt Guerrier, Jose Mijares and Jesse Crain. Like Jesse Crain, Mahay has a high strikeout rate and an inflated WHIP due to a much higher than usual BABIP. Nathan, Guerrier and Mijares are above average compared to AL relievers (AL reliever average PE is 10.71) and Crain and Mahay slightly below average, but still much better than the likes of Brian Duensing, Phillip Humber, Bobby Keppel, Jeff Manship and R.A. Dickey (now in Rochester) who have been below average.

This is the second time this season the Twins made a trade within the division, with the acquisition of Carl Pavano from the Cleveland Indians being the first.

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