Pitcher Forrest Whitley, the Houston Astros' top prospect, will have Tommy John surgery, manager Dusty Baker announced Wednesday.
Linebacker Jaylon Smith, who suffered torn ligaments in his left knee in the Fiesta Bowl, is not expected to play in 2016, as questions about nerve damage in his leg remain.
Boston Red Sox pitching prospect Michael Kopech suffered small fracture in right hand during "altercation" with teammate.
Reliever Ken Giles has been traded from the Phillies to the Astros for two pitchers and two players to be named later, according to ESPN's Jim Bowden and multiple reports.
Brandon Willie Martin, a first-round draft pick by the Rays in 2011, was arrested Friday as a suspect in the shooting murders of his father and another man and the wounding of his uncle.
The NL West-leading Los Angeles Dodgers are calling up prized infielder Corey Seager, the team's top prospect, sources confirmed to ESPN on Thursday.
