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Allen Park — Following the 24-23 win over the Saints, the Lions are ready to head to London for Sunday's matchup against the Falcons.

They'll go with quite a few questions marks on the health of some of their key players. Receiver Calvin Johnson, who has missed the last two games, "absolutely" will make the trip; his status for playing remains uncertain.

Running backs Reggie Bush (ankle) was limited Sunday in the second half and Theo Riddick didn't play. That left only two tailbacks: Joique Bell and George Winn. Bush hurt the ankle last week against the Vikings but had a good first half.

"It was obvious that as the game went on, he had a few issues but he kept going in and trying to give us everything he had," coach Jim Caldwell said of Bush in his Monday press conference. "He's a real pro in that regard and tried to do his absolute best."

At tight end, the situation is more dire, as Eric Ebron (hamstring) missed the game, along with Joseph Fauria. Brandon Pettigrew, the starter, played most of the snaps and suffered an undisclosed injury that limited his ability late in the game.

With Jordan Thompson, who was promoted from the practice squad on Saturday, as the only other healthy tight end, the Lions could seek to add someone else this week if their health doesn't improve.

"I'm always concerned about numbers — particularly anyplace we get thin — and we're thin there, so that's a concern," Caldwell said. "(Pettigrew) was hobbling a bit but the effort he put forth to finish that game out was quite admirable."

Rod.Beard@detroitnews.com

Twitter.com/detnewsRodBeard

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