An in-depth look at team defense throughout baseball history

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Evaluating defense in baseball continues to be a work in progress. We’re way better off than we were even a few short years ago, but it remains a tricky and often subjective undertaking, with most people not being able to say much more about the topic apart from “that guy plays good defense” and “that guy is a liability.”

Against that backdrop, Baseball Crank spent an enormous — and I mean a really, really enormous — amount of time analyzing team defense between 1871 and the present, focusing primarily on Defensive Efficiency Rating. It’s in two parts: here’s part 1 and here’s part 2.  There are stats, but it’s not too hard core, and Crank does a good job of explaining what he’s talking about as he goes along.

Great stuff if it’s a topic that jazzes you.

Yu Darvish lands on 10-day disabled list again with triceps tendinitis

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Bad news for the Cubs’ Yu Darvish: The right-hander is headed back to the disabled list with right triceps tendinitis, the team announced Saturday. It’s the second such assignment for Darvish this season, but the first time he’s been sidelined with arm issues. Neither the severity of his injury nor a concrete timeframe for his recovery has been revealed yet, but the move is retroactive to May 23 and will allow him to come off the DL by June 2, assuming all goes well.

Prior to the injury, Darvish went 1-3 in eight starts with a 4.95 ERA, 4.7 BB/9 and 11.0 SO/9 through 40 innings. Needless to say, these aren’t the kind of results the Cubs were hoping to see after inking the righty to a six-year, $126 million contract back in February, though the circumstances affecting his performances appear to have largely been out of his control. He missed a start in early May after coming down with the flu and has struggled to pitch beyond the fifth inning in five of his eight starts to date.

The Cubs recalled left-hander Randy Rosario from Triple-A Iowa in a corresponding move. Rosario has yet to amass more than five career innings in the majors, but has impressed at Triple-A so far this year: he maintained an 0.97 ERA, 2.8 BB/9 and 6.1 SO/9 through 19 1/3 innings in 2018. As for Darvish’s next scheduled turn in the rotation, Tyler Chatwood is lined up to take the mound when the Cubs face off against the Giants in the series finale on Sunday. A starter for Monday night’s game has yet to be determined.