Twins reliever Glen Perkins is a stat-head

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Twins left-hander Glen Perkins is one of the American League’s best relievers and anyone who follows him on Twitter knows that he’s also a funny, interesting guy who likes to interact with fans.

And now thanks to this interview with David Laurila of Fan Graphs we also know that Perkins is into sabermetrics:

I like a lot of stats and go onto FanGraphs pretty much every day. I like FIP and xFIP, which give you an idea of whether you’re doing the right things. Not that it’s something you can control, but you know that if it’s down–and you keep doing what you’re doing–the balls are going to find fielders. If your FIP is one thing and your ERA is higher, they’re probably going to meet in the middle. My ERA this year started out high and came down to closer to what my fielding-independent is.

I didn’t get frustrated with my bad ERA. I had given up a couple of home runs and felt that maybe some balls were finding holes. You can’t start thinking, “Now I have to strike every guy out.” Understanding that things should even out gives me confidence in what I’ve done. [FIP] shows that I should be here, and not here.

Perkins also went on to make some interesting points about the issues with judging relievers by Wins Above Replacement and … well, you really should just read the whole chat.

And now I’m regretting not asking Perkins to come hang out at the annual SABR convention when it was in Minneapolis two weeks ago.

Red Sox trade Roenis Elias back to the Mariners

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The Boston Red Sox announced this afternoon that they’ve traded lefty Roenis Elias to the Seattle Mariners for a player to be named later or cash.

Boston had acquired Elias in the same trade that netted them reliever Carson Smith in exchange for Wade Miley and Jonathan Aro back in December of 2015. Since that time Elias has not been a part of the Red Sox’ plans, pitching in just four big league games — eight innings total — in all of 2016 and 2017 and not making an appearance for the big club this season. He was pretty solid for Pawtucket in 2016 but 2017 was largely lost to injuries.

Now he’s headed back to Seattle where, once upon a time, Elias posted a 3.85 ERA in 29 starts as a rookie for the Mariners.