Porto's Luis Diaz, left, controls a ball during a Champions League soccer match between Porto and Krasnodar, in Porto, Portugal.

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Krasnodar's goalkeeper Matvey Safonov, left, makes a save against Porto's Luis Diaz during a Champions League soccer match between Porto and Krasnodar, in Porto, Portugal.

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Porto's Luis Diaz, left, and Krasnodar's Sergey Petrov struggle for a ball during a Champions League soccer match between Porto and Krasnodar, in Porto, Portugal.

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Porto's Shoya Nakajima, left, and Krasnodar's Wanderson, centre, struggle for a ball during a Champions League soccer match between Porto and Krasnodar, in Porto, Portugal.

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Krasnodar's Sergey Petrov heads a ball during a Champions League soccer match between Porto and Krasnodar, in Porto, Portugal.

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Krasnodar's Sergey Petrov controls a ball during a Champions League soccer match between Porto and Krasnodar, in Porto, Portugal.

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Porto's Danilo Pereira, right, and Krasnodar's Wanderson struggle for a ball during a Champions League soccer match between Porto and Krasnodar, in Porto, Portugal.

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Porto's fans cheer during a Champions League soccer match between Porto and Krasnodar, in Porto, Portugal.

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Krasnodar's goalkeeper Matvey Safonov waits during a Champions League soccer match between Porto and Krasnodar, in Porto, Portugal.

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Porto's head coach Sergio Conceicao reacts during a Champions League soccer match between Porto and Krasnodar, in Porto, Portugal.

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Porto's players pose for a photo before the Champions League soccer match between Porto and Krasnodar, in Porto, Portugal.

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Krasnodar's players pose for a photo before the Champions League soccer match between Porto and Krasnodar, in Porto, Portugal.

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Porto's Shoya Nakajima reacts in pain during a Champions League soccer match between Porto and Krasnodar, in Porto, Portugal.

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Krasnodar's players celebrate team's 3-2 victory at the Champions League soccer match against Porto, in Porto, Portugal.

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Porto's head coach Sergio Conceicao hugs his player after team's 2-3 loss at the Champions League soccer match against Krasnodar, in Porto, Portugal.

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Porto's Shoya Nakajima, left, and Krasnodar's Jon Gudni Fjoluson struggle for a ball during a Champions League soccer match between Porto and Krasnodar, in Porto, Portugal.

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Porto's Shoya Nakajima controls a ball during a Champions League soccer match between Porto and Krasnodar, in Porto, Portugal.

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Porto's head coach Sergio Conceicao reacts during a Champions League soccer match between Porto and Krasnodar, in Porto, Portugal.

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Porto's fan reacts during a Champions League soccer match between Porto and Krasnodar, in Porto, Portugal.

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Dejected Porto's fan reacts after team's 2-3 loss at the Champions League soccer match against Krasnodar, in Porto, Portugal.

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Dejected Porto's fan reacts after team's 2-3 loss at the Champions League soccer match against Krasnodar, in Porto, Portugal.

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Dejected Porto's fan reacts after team's 2-3 loss at the Champions League soccer match against Krasnodar, in Porto, Portugal.

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Porto's Mateus Uribe, right, reacts after team's 2-3 loss at the Champions League soccer match against Krasnodar, in Porto, Portugal.

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Porto's fan reacts during a Champions League soccer match between Porto and Krasnodar, in Porto, Portugal.

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Krasnodar's Sergey Petrov, left, and Porto's Luis Diaz struggle for a ball during a Champions League soccer match between Porto and Krasnodar, in Porto, Portugal.

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Krasnodar's head coach Sergey Matveyev reacts during a Champions League soccer match between Porto and Krasnodar, in Porto, Portugal.

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Krasnodar's Shapi Suleymanov controls a ball during a Champions League soccer match between Porto and Krasnodar, in Porto, Portugal.

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A referee speaks to Porto's Renzo Saravia during a Champions League soccer match between Porto and Krasnodar, in Porto, Portugal.

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Krasnodar's Wanderson, right, struggles for a ball against Porto's Renzo Saravia, centre, and Pepe during a Champions League soccer match between Porto and Krasnodar, in Porto, Portugal.

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Krasnodar's Aleksandr Martynovich, left, and Porto's Ze Luis struggle for a ball during a Champions League soccer match between Porto and Krasnodar, in Porto, Portugal.

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Porto's head coach Sergio Conceicao reacts during a Champions League soccer match between Porto and Krasnodar, in Porto, Portugal.

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Krasnodar's head coach Sergey Matveyev reacts during a Champions League soccer match between Porto and Krasnodar, in Porto, Portugal.

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Porto's head coach Sergio Conceicao reacts during a Champions League soccer match between Porto and Krasnodar, in Porto, Portugal.

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Porto's head coach Sergio Conceicao reacts during a Champions League soccer match between Porto and Krasnodar, in Porto, Portugal.

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Krasnodar's Aleksey Gritsaenko, left, and Porto's Luis Diaz struggle for a ball during a Champions League soccer match between Porto and Krasnodar, in Porto, Portugal.

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Krasnodar's Wanderson, centre, and Porto's Pepe, right, struggle for a ball during a Champions League soccer match between Porto and Krasnodar, in Porto, Portugal.

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Krasnodar's Shapi Suleymanov, right, struggles for a ball during a Champions League soccer match between Porto and Krasnodar, in Porto, Portugal.

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Krasnodar's Tonny Vilhena controls a ball during a Champions League soccer match between Porto and Krasnodar, in Porto, Portugal.

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Krasnodar's Shapi Suleymanov and Aleksandr Martynovich celebrate a goal during a Champions League soccer match between Porto and Krasnodar, in Porto, Portugal.

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Krasnodar's Shapi Suleymanov controls a ball during a Champions League soccer match between Porto and Krasnodar, in Porto, Portugal.

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Krasnodar's players celebrate a goal during a Champions League soccer match between Porto and Krasnodar, in Porto, Portugal.

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Krasnodar's Shapi Suleymanov, centre, controls a ball during a Champions League soccer match between Porto and Krasnodar, in Porto, Portugal.

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Porto's goalkeeper Agustin Marchesin reacts after he has conceded a goal during a Champions League soccer match between Porto and Krasnodar, in Porto, Portugal.

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Krasnodar's players celebrate a goal during a Champions League soccer match between Porto and Krasnodar, in Porto, Portugal.

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Krasnodar's players celebrate a goal during a Champions League soccer match between Porto and Krasnodar, in Porto, Portugal.

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