ALLEN PARK, Mich. (AP) — Reggie Bush got hopeful results from an MRI on his banged-up left knee, allowing the Detroit Lions to breathe a sigh of relief.
"The tests (Monday) were encouraging," Lions coach Jim Schwartz said. "He's going to be sore, but he doesn't have anything that's long term."
That's good news for a team that needs the speedy running back in its offense to add to receiver Calvin Johnson and quarterback Matthew Stafford.
When Bush has been healthy for nearly six quarters, Detroit has beaten the Minnesota Vikings 34-21 and led Arizona 14-10 at halftime.
Without him playing much of the third quarter Sunday, the Lions were held scoreless offensively in the second half of a 25-21 loss to the Cardinals.
"Our offense was moving very well in the first half, we were converting third downs," Schwartz said. "In the second half, I don't think we converted one. He meant a lot. Calvin was making a lot more plays in the first half because of the dynamic of Reggie.
"When he went out of the game, we weren't really able to maintain that."
The Lions (1-1) don't know — or aren't saying —if they expect Bush to play Sunday at Washington (0-2) or if he'll need at least a game off to heal.
"I guess it could be medium term," Schwartz said. "It's too hard to speculate on injuries, and that's why I usually don't. I don't like putting any kind tag on things because you never know how people are going to react to anything."
Bush took a helmet to his left knee in the second quarter on a short pass he turned into a 26-yard reception. He entered the game later in the first half and played sparingly in the third quarter before going to the sideline for the rest of the game.
"I was cleared to come back," Bush told reporters on Sunday in Arizona. "I felt like I could run. I just wasn't myself. It was best for me not go in."
Bush accounted for 69 yards of offense in two-plus quarters against the Cardinals. He had 191 yards from scrimmage in an opening-week win over Minnesota in his Detroit debut.
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