MLB Player News

The Red Sox released Kelly (elbow) on Friday, Chris Cotillo of MassLive.com reports.

The right-hander was designated for assignment by Boston on Monday and will hit the open market after passing through waivers unclaimed. Kelly had a 3.31 ERA, 1.29 WHIP and 14:7 K:BB across 16.1 innings this year for the Red Sox but spent the final three months of the season on the IL due to elbow inflammation.

Estrada signed a minor-league contract with the Blue Jays on Saturday and was invited to spring training, Francys Romero of BeisbolFR.com reports.

Estrada gave up eight earned runs across 13 big-league innings with the Blue Jays this year but posted a 3.25 ERA and 1.06 WHIP over 36 innings at Triple-A Buffalo -- good enough for the Jays to keep him in the organization for another year. The 27-year-old will compete for a spot in Toronto's bullpen during the spring but is likely to spend most of his time at Buffalo.

Carroll underwent surgery Thursday to remove loose bodies in his right elbow, Nick Piecoro of The Arizona Republic reports.

Carroll dealt with a bit of elbow discomfort during the regular season, but the issue was never serious enough to warrant a trip to the IL. His symptoms began to worsen shortly after the regular season ended, so he chose to treat the issue with surgery. The 26-year-old is hopeful to resume swinging a bat sometime in early December.

The Red Sox outrighted Kelly (elbow) to Triple-A Worcester on Friday, Chris Cotillo of MassLive.com reports.

Kelly has the ability to elect free agency, and he's expected to do so in the coming days, per Cotillo. The right-handed reliever has spent parts of the last five seasons with the Red Sox, authoring a 4.04 ERA and 127:58 K:BB across 131.1 frames. Kelly ended the 2026 season on the 60-day injured list with right elbow inflammation.

The Tigers outrighted Diaz to Triple-A Toledo on Friday, Chris McCosky of The Detroit News reports.

Diaz was scrubbed from the Tigers' 40-man roster earlier this week, but he's cleared waivers and will remain in the organization. The right-handed hurler has made four starts and nine relief appearances at the big-league level, collecting a 6.27 ERA and 26:20 K:BB across 37.1 frames.

The Mets re-signed Stock to a one-year contract Friday.

Stock underwent surgery in March for thoracic outlet syndrome but made a rapid recovery, returning to pitch in June and earning a call-up to the majors in August. He made seven starts and one relief appearance for the Mets, logging a 5.93 ERA and 29:15 K:BB over 30.1 innings. Stock will turn 37 later this month.

The Guardians claimed Tena off waivers from the Nationals on Friday, Tim Stebbins of MLB.com reports.

Tena was dealt from Cleveland to Washington at the 2024 trade deadline, and he's now returned to his original organization. The 25-year-old infielder slashed only .222/.302/.370 with seven home runs over 114 contests with the Nationals in 2026. Tena does not have minor-league options remaining, so the Guardians are unable to send him to the minors without passing him through waivers first.

The Nationals designated Nicolas for assignment Friday, Mark Zuckerman of NatsJournal.com reports.

The club needed to free up a spot on its 40-man roster for the addition of Reiver Sanmartin, who was acquired via trade Friday. Nicolas is a hard thrower with a fastball velocity in the 85th percentile in 2026, but he's bounced around over the past year, spending time in four different organizations.

The Nationals acquired Sanmartin from the Giants on Friday in exchange for Robert Cranz, Spencer Nusbaum of The Athletic reports.

Sanmartin was removed from the Giants' 40-man roster earlier this week, and now he's headed to a new organization. The 30-year-old holds a career 5.37 ERA, 18.8 percent strikeout rate and 10.3 percent walk rate over parts of five major-league seasons, but he has induced grounders at a 55.1 percent clip over that span.

The Royals signed Harris to a minor-league contract Friday, Ari Alexander of 7 News Boston reports. The deal includes an invitation to spring training.

Harris missed the first half of the 2026 season with a forearm injury before returning to post a 2.55 ERA and 27:16 K:BB over 24.2 innings with Triple-A Worcester in the Red Sox organization. The 33-year-old reliever's lone big-league experience came in 2023 with the Nationals, when he held a 5.12 ERA in 16 outings.