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London — The Lions suspended defensive tackle C.J. Mosley Saturday for two weeks for conduct detrimental to the team and a violation of team rules.

The team announced the two-week suspension Saturday night, saying Mosley had been sent home from London earlier in the day. The statement did not provide details on Mosley's infraction.

The Lions play the Atlanta Falcons Sunday at Wembley Stadium and have a bye next week. Mosley can be reinstated before the Week 10 game against the Miami Dolphins.

To fill Mosley's roster spot, the Lions promoted rookie safety Jerome Couplin from the practice squad. They cut Couplin Monday to make room for tight end Kellen Davis, but signed him back to the practice squad Tuesday after he cleared waivers.

With Mosley out, rookie Caraun Reid should have an expanded role Sunday, but defensive end Jason Jones will likely play some tackle, too. Ndamukong Suh and Nick Fairley could also play more than snaps than usual.

Mosley, 31, is in his 10th NFL season and second with the Lions, and he will be a free agent after the season. He's considered one of the defensive line's top leaders.

jkatzenstein@detroitnews.com

twitter.com/jkatzenstein

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