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Reggie Bush of the Miami Dolphins rushes against Shawntae Spencer of the Oakland Raiders during a game at Sun Life Stadium on Sept. 16, 2012 in Miami Gardens.
Bush tweeted on Monday that he "received some great news," one day after leaving the Dolphins' game against the New York Jets late in the first half with a left knee injury.
The Dolphins have not issued any official updates on Bush's status. They said he was "questionable" to return on Sunday after he departed with a pronounced limp. Players were to be available to reporters later Monday afternoon.
Bush returned to the sideline for the second half and was riding a stationary bike for several minutes, but didn't play again. He finished with 61 yards on 10 carries, and the Dolphins lost to the Jets 23-20 in overtime.
Miami (1-2) visits Arizona (3-0) on Sunday.