Benfica's players celebrate their 3-2 victory over Monaco at the end of a Champions League opening phase soccer match at the Louis II stadium in Monaco.

Monaco's players react at the end of a Champions League opening phase soccer match against Benfica at the Louis II stadium in Monaco.

Benfica's players celebrate their 3-2 victory over Monaco at the end of a Champions League opening phase soccer match at the Louis II stadium in Monaco.

Benfica's Tomas Araujo, front, and Monaco's Folarin Balogun battle for the ball during a Champions League opening phase soccer match at the Louis II stadium in Monaco.

Monaco's Folarin Balogun, left, and Benfica's Nicolas Otamendi fight for the ball during a Champions League opening phase soccer match at the Louis II stadium in Monaco.

Monaco's Soungoutou Magassa celebrates after scoring his side's 2nd goal against Benfica during a Champions League opening phase soccer match at the Louis II stadium in Monaco.

Monaco's Soungoutou Magassa, center, controls a ball chased by Benfica's Arthur Cabral during a Champions League opening phase soccer match at the Louis II stadium in Monaco.

Monaco's Maghnes Akliouche, center, and Benfica's Alvaro Carreras fight for the ball during a Champions League opening phase soccer match at the Louis II stadium in Monaco.

Monaco's Eliesse Ben Seghir, left, celebrates after scoring the opening goal against Benfica during a Champions League opening phase soccer match at the Louis II stadium in Monaco.

Benfica's Angel Di Maria, right, controls a ball chased by Monaco's Denis Zakaria during a Champions League opening phase soccer match at the Louis II stadium in Monaco.