Murray is "firmly and fully committing [his] life and time to becoming an NFL quarterback," the two-sport athlete announced on his personal Twitter account Monday.

Murray will attend the NFL combine beginning Feb. 26, Bob Nightengale of USA Today reports.

Murray declared for the 2019 NFL Draft on Monday, according to his personal Twitter account.

Murray and the Athletics are in talks to agree upon a major-league contract, Bill Shaikin of the Los Angeles Times reports.

The Athletics expect Murray to declare for the NFL Draft, Susan Slusser and Henry Schulman of the San Francisco Chronicle reports.

Murray was invited to the Athletics' major-league spring training camp Wednesday, Susan Slusser of the San Francisco Chronicle reports.

Murray's agent Scott Boras informed Yahoo Sports that his client will not be participating in workouts for NFL teams and that Murray will report for spring training Feb. 10, Jeff Passan of Yahoo Sports reports.

Murray still plans on switching to baseball after wrapping up his college football career at the University of Oklahoma, Jane Lee of MLB.com reports. "As of right now, I'm going to play baseball. That's about it," Murray said.