Fernando Abad requested $1.225 million and was offered $850,000 from the Athletics when arbitration figures were exchanged.
Fernando Abad was ejected from Sunday's game against the Orioles for allegedly throwing at Manny Machado.
Athletics acquired LHP Fernando Abad from the Nationals for OF John Wooten.
Nationals designated LHP Fernando Abad for assignment.
Nationals purchased the contract of LHP Fernando Abad from Triple-A Syracuse.
Nationals signed LHP Fernando Abad to a minor league contract.
Fernando Abad has elected free agency.
Fernando Abad (oblique) faced two batters, retiring one, Wednesday in the Astros' season finale.
Fernando Abad left Monday's start with a strained right oblique.
Fernando Abad left Monday's start in the second inning with an undisclosed injury.
Fernando Abad was blasted for five runs -- four earned -- on six hits and three walks over just four innings in Wednesday's loss to the Pirates.
Fernando Abad was destroyed in Friday's loss to the Reds, surrendering six runs on nine hits over 4 1/3 innings.
Astros recalled LHP Fernando Abad from Triple-A Oklahoma City.
The Astros will recall left-hander Fernando Abad from Triple-A Oklahoma City to start Saturday against the Mets.