The Pirates are monitoring players’ vital signs during games

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And calorie consumption and stuff like that. All via some cutting edge athletic technology. Or at least cutting edge for baseball. From Travis Sawchik of the Pittsburgh Tribune:

Prior to and during games this exhibition season, some Pirates are wearing Zephyr workload monitoring devices. Under select players’ jerseys is a tight-fitting, compression shirt, which has a black, circular, detachable electronic device — about the size of a quarter — attached near the center of the chest. The device collects data from a sensor that records players’ heartbeats and energy consumption. The device’s most noticeable features are blinking green and red lights.

Russell Martin talks about how he has used it to monitor how many calories he burns during games. It also measures heart rate. Neal Huntington speculates that there are other things it could tell the Pirates if they decide to go wider-scale with their use. For now it’s just an experiment.

I wonder if it could potentially measure telltale signs of fatigue. That could be pretty useful for pitchers, couldn’t it?

Dodgers designate Sergio Romo for assignment

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The Dodgers announced on Thursday that the club activated pitcher Grant Dayton from the 10-day disabled list and designated pitcher Sergio Romo for assignment.

Dayton, 29, went on the disabled list earlier this month with neck stiffness. He’ll resume with a 3.63 ERA and a 20/12 K/BB ratio in 22 1/3 innings.

Romo, 34, signed a one-year, $3 million deal with the Dodgers in February. It didn’t really work out, as the right-hander posted a 6.12 ERA with a 31/12 K/BB ratio in 25 innings. His peripherals are still decent, so it wouldn’t be surprising if a team in need of a bullpen arm makes a deal with the Dodgers within the week.

Nate Karns underwent season-ending surgery for thoracic outlet syndrome

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MLB.com’s Jeffrey Flanagan reports that Royals pitcher Nate Karns underwent surgery for thoracic outlet syndrome on Wednesday. He’s expected to be ready for spring training next year. Karns went on the disabled list in May with an elbow injury and didn’t make much progress.

The Royals acquired Karns from the Mariners in January in exchange for outfielder Jarrod Dyson. Over eight starts and one relief appearance, the 29-year-old right-hander compiled a 4.17 ERA and a 51/13 K/BB ratio in 45 1/3 innings.

Karns will enter his first of three years of arbitration eligibility after the season, so he’ll be under the Royals’ control through 2020.