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LaAdrian Waddle missed Wednesday's practice with a concussion.

(Mike Mulholland | MLive.com)

The most surprising player missing from the Detroit Lions' Wednesday morning practice was LaAdrian Waddle. It turns out the team's starting right tackle is dealing with a concussion.

The injury didn't reveal itself during Sunday's game as Waddle played all 70 of the team's offensive snaps.

If he's unable to go against the Falcons on Sunday, the team would turn back to the tandem of veteran Garrett Reynolds and undrafted rookie Cornelius Lucas.

Also sitting out for the Lions were Ezekiel Ansah (toe) the team's top three tight ends.

Rookie Eric Ebron (hamstring) and Joseph Fauria (ankle) are still working their way back to full strength, while veteran Brandon Pettigrew sustained a foot injury during the team's 24-23 win over the New Orleans Saints on Sunday.

The team signed veteran Kellen Davis hours before leaving for England to provide depth at the position.

Returning to practice for the first time in three weeks was wide receiver Calvin Johnson. The All-Pro has missed the past two games with a high ankle sprain. He has never missed three games in a season during his career.

He was limited on Wednesday.

Running backs Reggie Bush (ankle) and Theo Riddick (hamstring) were also limited participants.

For the Falcons, defensive tackle Jonathan Babineaux (foot) and wide receiver Harry Douglas (foot) did not practice. Wide receiver Julio Jones (ankle), guard Justin Blalock (back) and linebacker Prince Shembo (knee) were limited.

Detroit Lions practice for game in London (Oct. 22, 2014) 47 Gallery: Detroit Lions practice for game in London (Oct. 22, 2014)

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