FC Porto's players celebrate after scoring during the Portuguese league football match FC Porto vs GD Chaves at the Dragao stadium in Porto on December 19, 2016. / AFP / MIGUEL RIOPA (Photo credit should read MIGUEL RIOPA/AFP via Getty Images)
FC Porto's players celebrate after scoring during the Portuguese league football match FC Porto vs GD Chaves at the Dragao stadium in Porto on December 19, 2016. / AFP / MIGUEL RIOPA (Photo credit should read MIGUEL RIOPA/AFP via Getty Images)