Nationals left-hander Jon Lester will undergo surgery to have his thyroid gland removed on Friday, manager Dave Martinez announced today (link via Jesse Dougherty of the Washington Post). Assuming all goes well, the surgery is only expected to keep him out of action for roughly a week’s time, the manager added.
The 37-year-old Lester has been dealing with fatigue early in camp. After some consultations with medical experts and a slate of tests, he opted to have the surgery this week with the hope that it’ll prevent further symptoms during the 2021 season. He’s traveling to New York today.
Lester signed a one-year, $5MM deal with the Nationals over the winter, setting the stage for him to slide into the rotation behind Max Scherzer, Stephen Strasburg and Patrick Corbin. The contract reunites him with Martinez, who was his bench coach in Chicago from 2015-17, and with fellow free-agent signee Kyle Schwarber.
Back in 2006, during his rookie year with the Red Sox, Lester was diagnosed…