The Rays traded Lopez and Jeffrey Springs to the Athletics on Saturday in exchange for Joe Boyle, Jacob Watters, Will Simpson and a compensatory draft pick.
The Rays traded Springs to the Athletics on Saturday in exchange for Joe Boyle, Jacob Watters, Will Simpson and a compensatory draft pick, Jeff Passan of ESPN.com reports.
The Athletics signed Bowden to a minor-league contract Dec. 9.
The Athletics selected Murdock with the fourth pick in the Rule 5 draft Wednesday, JJ Cooper of Baseball America reports.
Athletics manager Mark Kotsay indicated Friday that the club is looking to sign Rooker (forearm) to a contract extension, Martin Gallegos of MLB.com reports.
The Athletics agreed to a three-year, $67 million contract with Severino on Thursday, Jeff Passan of ESPN.com reports.
Kurtz slashed .353/.450/.608 with two home runs and a 16:9 K:BB in 60 plate appearances in the Arizona Fall League.
The Athletics and Brown avoided arbitration by agreeing to a one-year contract Wednesday.
The Athletics selected Clarke's contract from Double-A Midland on Tuesday, Kiley McDaniel of ESPN.com reports.
The Athletics selected Cusick's contract from Triple-A Las Vegas on Tuesday, Ari Alexander of KPRC 2 Houston reports.
The Athletics selected Hoglund's contract from Triple-A Las Vegas on Tuesday, Kiley McDaniel of ESPN.com reports.
The Athletics signed Alexander to a minor-league contract Nov. 15.
The Athletics signed Dodson to a minor-league contract Wednesday.
The Athletics signed Lopez on Monday to a minor-league contract that includes an invitation to spring training.
The Athletics acquired Johnson from Atlanta on Monday in exchange for Nick Allen.
Athletics general manager David Forst said this week of Miller that the team is "not talking about moving him back into a starting role," John Shea of the San Francisco Chronicle reports.
McFarland signed a one-year contract with the Athletics on Thursday.
The Athletics claimed Maldonado off waivers from the Marlins on Monday.
The Athletics claimed Sterner off waivers from the Rays on Monday.
The Athletics outrighted Nevin to Triple-A Las Vegas on Friday, Martin Gallegos of MLB.com reports.
The Athletics outrighted Muller to Triple-A Las Vegas on Friday, Martin Gallegos of MLB.com reports.
Alvarez cleared waivers Thursday and was sent outright to Triple-A Las Vegas.
Adams (forearm) cleared waivers Thursday and was sent outright to Triple-A Las Vegas.
Athletics general manager David Forst revealed Friday that Rooker underwent right forearm extensor surgery Tuesday, Martin Gallegos of MLB.com reports.
Hernaiz entered Sunday's loss to the Mariners as a defensive replacement at third base in the seventh inning and went 1-for-1 with a two-run double.