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White Sox GM Rick Hahn said young right-hander Michael Kopech likely will have Tommy John surgery and is expected to be ready for the 2020 season.

Sean Doolittle has been activated off the disabled list. The Nationals placed him on it July 10 with a strained toe in his left foot.

Dustin Pedroia, who underwent arthroscopic surgery in July, has made progress but does not have enough time to recover fully and return to the Red Sox this season.

Before joining the Blue Jays as president and CEO, Mark Shapiro spent more than two decades working for the Cleveland Indians. He's glad the Indians will no longer include the Chief Wahoo logo on their uniforms next season.

A new spinal cord injury protocol, based on research by UCSF scientists, is a mixture of revised evaluations and new treatments to personalize care. It has spurred quicker recoveries for patients.

When Mike Shildt took the reins at the All-Star break, he had no major league managerial or playing experience. But he did have a yellow notepad.

The first impression made by Justin Wilson in Chicago wasn't a good one, but he's emerging as a key player in a bullpen that needs him.

Nineteen-year-old Vladimir Guerrero Jr. has torn up the minor leagues this season, but has failed to get called up to the majors, something the MLBPA says is not a business decision and is "bad for the industry."

After suffering another irregular heartbeat in August in Colorado, Kenley Jansen is back from the DL and playing with the Dodgers -- but with a new state of mind about his health and this season.

Josh Donaldson's agent disputed a report Thursday that the Blue Jays offered the three-time All-Star and 2015 American League MVP a multiyear contract extension before trading him to the Cleveland Indians last week.

UCSF researchers have uncovered 12 new anti-CRISPR genes, some of which can inhibit different CRISPR types and could be critical to future gene-editing therapies.

UCSF researchers have shown that it’s possible to study cellular identity by pulverizing brain tissue samples, extracting their RNA in bulk and looking for signature patterns of gene activity.

The availability of biosimilars commonly used to treat moderate to severe RA may not by itself reduce out-of-pocket costs for Medicare beneficiaries due to a lack of manufacturer discounts.

Even in situations where batters have no chance whatsoever of coming to the plate, many of them still stand in the on-deck circle. Baseball is nuts.

A's reliever Shawn Kelley said he nearly cut the tip off his thumb on his pitching hand when washing a "really sharp knife." He hopes to be able to pitch Friday.

Mets third baseman Todd Frazier admitted that he got away with a fake catch Monday against the Dodgers.

Trevor Story homered in his first three at-bats, including one projected at more than 500 feet, and the Colorado Rockies beat the San Francisco Giants 5-3 on Wednesday night.

We know Shohei Ohtani can star on both sides of the ball, but will a bad elbow -- and his hitting prowess -- limit his two-way pursuit?

After visiting a neurologist this week to better understand his lingering post-concussive symptoms, Yankees outfielder Clint Frazier's season is effectively over, according to manager Aaron Boone.

Genetic mutations in a form of non–small cell lung cancer may drive tumor formation by blurring cells’ perception of key growth signals, according to a new laboratory study published Aug. 31, 2018, in Science.