Sports

Oakland Raiders linebacker Kaluka Maiava injures hamstring in 1st quarter against Dolphins

  • Oakland Raiders' Derek Carr, left, passes the ball during the NFL football game against Miami Dolphins at Wembley Stadium in London, Sunday, Sept. 28, 2014. (AP Photo/Tim Ireland)

    Oakland Raiders' Derek Carr, left, passes the ball during the NFL football game against Miami Dolphins at Wembley Stadium in London, Sunday, Sept. 28, 2014. (AP Photo/Tim Ireland)  (The Associated Press)

  • Oakland Raiders' Derek Carr (4) tries to avoid a tackle from Miami Dolphins' Cortland Finnegan (24) during the second half of an NFL football game against the Miami Dolphins, Sunday, Sept. 28, 2014, at Wembley Stadium in London. (AP Photo/Lefteris Pitarakis)

    Oakland Raiders' Derek Carr (4) tries to avoid a tackle from Miami Dolphins' Cortland Finnegan (24) during the second half of an NFL football game against the Miami Dolphins, Sunday, Sept. 28, 2014, at Wembley Stadium in London. (AP Photo/Lefteris Pitarakis)  (The Associated Press)

  • Oakland Raiders' Derek Carr, left, tries to fend off Miami Dolphins' Jason Trusnik during the NFL football game at Wembley Stadium in London, Sunday, Sept. 28, 2014. (AP Photo/Tim Ireland)

    Oakland Raiders' Derek Carr, left, tries to fend off Miami Dolphins' Jason Trusnik during the NFL football game at Wembley Stadium in London, Sunday, Sept. 28, 2014. (AP Photo/Tim Ireland)  (The Associated Press)

Oakland Raiders linebacker Kaluka Maiava injured a hamstring in the first quarter of Sunday's game against the Miami Dolphins and his return was questionable.

Maiava was on the field during Miami's opening drive, but not the second series.

Oakland linebackers Nick Roach and Sio Moore, both usual starters, were inactive for the game at Wembley Stadium.

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