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SUNDERLAND, ENGLAND - OCTOBER 01: Jan Kirchhof of Sunderland is stretchered off the pitch with an injury during the Premier League match between Sunderland and West Bromwich Albion at Stadium of Light on October 1, 2016 in Sunderland, England. (Photo by Adam Fradgley - AMA/West Bromwich Albion FC via Getty Images)

SUNDERLAND, ENGLAND - OCTOBER 01: Jan Kirchhof of Sunderland is stretchered off the pitch with an injury during the Premier League match between Sunderland and West Bromwich Albion at Stadium of Light on October 1, 2016 in Sunderland, England. (Photo by Adam Fradgley - AMA/West Bromwich Albion FC via Getty Images)