The Cleveland Browns dog Otto poses for a photo during an NFL football game against the Minnesota Vikings at Twickenham Stadium in London, Sunday Oct. 29, 2017.

A Minnesota Vikings fan poses for a photo during an NFL football game against the Cleveland Browns at Twickenham Stadium in London, Sunday Oct. 29, 2017.

Cleveland Browns nose tackle Danny Shelton (55) looks on during an NFL football game against the Minnesota Vikings at Twickenham Stadium in London, Sunday Oct. 29, 2017.

Minnesota Vikings wide receiver Adam Thielen (19) celebrates during an NFL football game against the Cleveland Browns at Twickenham Stadium in London, Sunday Oct. 29, 2017.

Minnesota Vikings wide receiver Adam Thielen (19) runs with the ball and forced off the field by Cleveland Browns defensive back Briean Boddy-Calhoun (20) and defensive back Ibraheim Campbell (24) during an NFL football game at Twickenham Stadium in London, Sunday Oct. 29, 2017.

Cleveland Browns running back Isaiah Crowell (34) throws the ball during an NFL football game against the Minnesota Vikings at Twickenham Stadium in London, Sunday Oct. 29, 2017.

Cleveland Browns tight end David Njoku (85) dodges Minnesota Vikings safety Harrison Smith (22) and scores a touchdown during an NFL football game at Twickenham Stadium in London, Sunday Oct. 29, 2017.

Fans hold a Cleveland Browns banner during an NFL football game against the Minnesota Vikings at Twickenham Stadium in London, Sunday Oct. 29, 2017.

Cleveland Browns Mascots and Drumline Open Top Bus Ride Round drives around London, Friday, October 27, 2017.

Cleveland Browns Mascots and Drumline Open Top Bus Ride Round drives around London, Friday, October 27, 2017.

Members of the Cleveland Browns Mascots and Drumline Open Top Bus Ride Round throws necklaces to fans in London, Friday, October 27, 2017.

Cleveland Browns Mascots and Drumline Open Top Bus Ride Round drives around London, Friday, October 27, 2017.

A general view of the Landmark Hotel where Sky Tv presenter Neil Reynolds speaks on stage with NFL Commissioner Roger Goodell and former player Dallas Clark during a fan forum featuring NFL special guests and legends as part of NFL UK Live Saturday, October 28, 2017, at the Landmark Hotel. (Sean Ryan/NFL)

Sky Tv presenter Neil Reynolds speaks with Vikings general manager Rick Spielman and Vikings owner Mark Wilf during a fan forum featuring NFL special guests and legends as part of NFL UK Live Saturday, October 28, 2017, at the Landmark Hotel. (Sean Ryan/NFL)

NFL Commissioner Roger Goodell speaks during a fan forum featuring NFL special guests and legends as part of NFL UK Live Saturday, October 28, 2017, at the Landmark Hotel. (Sean Ryan/NFL)

Sky Tv presenter Neil Reynolds speaks with former Browns players Hanford Dixon and Josh Cribbs during a fan forum featuring NFL special guests and legends as part of NFL UK Live Saturday, October 28, 2017, at the Landmark Hotel.

Former Browns player Hanford Dixon speaks during a fan forum featuring NFL special guests and legends as part of NFL UK Live Saturday, October 28, 2017, at the Landmark Hotel.

Former Vikings players Chris Doleman and John Randell speak during a fan forum featuring NFL special guests and legends as part of NFL UK Live Saturday, October 28, 2017, at the Landmark Hotel.

NFL cheerleaders perform during a fan forum featuring NFL special guests and legends as part of NFL UK Live Saturday, October 28, 2017, at the Landmark Hotel.

A participant of the Minnesota Vikings flag football event makes a jumping catch, Sunday, October 29, 2017, at the London Irish RFC training ground, London.

Minnesota Vikings players participate in flag football event with London school children Sunday, October 29, 2017, at the London Irish RFC training ground, London.

Minnesota Vikings center Cornelius Edison speaks with London school children during a flag football event Sunday, October 29, 2017, at the London Irish RFC training ground, London.

Minnesota Vikings quarterback Case Keenum speaks during a press conference, Sunday, October 29, 2017, at the London Irish RFC training ground, London.

Minnesota Vikings head coach Mike Zimmer speaks at a press conference, Sunday, October 29, 2017, at the London Irish RFC training ground, London.

Minnesota Vikings defensive end Everson Griffen (97) speaks at a press conference, Sunday, October 29, 2017, at the London Irish RFC training ground, London.

Cleveland Browns quarterback DeShone Kizer (7) gets set to throw during a team practice, Friday, October 27, 2017, at Pennyhill Park.

The Cleveland Browns stretch before practice prior to a team practice, Friday, October 27, 2017, at Pennyhill Park.

Cleveland Browns quarterback DeShone Kizer (7) stretches with teammates prior to a team practice, Friday, October 27, 2017, at Pennyhill Park.

Minnesota Vikings quarterback Teddy Bridgewater (5) gets set to throw during a team practice, Sunday, October 29, 2017, at the London Irish RFC training ground, London.

Minnesota Vikings defensive end Everson Griffen (97) stretches with teammates prior to a team practice, Friday, October 27, 2017, at London Irish RFC training ground, London.

Minnesota Vikings quarterback Case Keenum (7) stretches with teammates prior to a team practice, Friday, October 27, 2017, at London Irish RFC training ground, London.

The Minnesota Vikings arrive to team practice, Friday, October 27, 2017, at London Irish RFC training ground, London.

Minnesota Vikings quarterback Teddy Bridgewater (5) calls a play during practice at Syon Park on Thursday, Oct. 26, 2017 in London.

Minnesota Vikings wide receiver Stefon Diggs (14) during practice at Syon Park on Thursday, Oct. 26, 2017 in London.

The Minnesota Vikings run through practice at Syon Park on Thursday, Oct. 26, 2017 in London.

Minnesota Vikings head coach Mike Zimmer is seen during practice at Syon Park on Thursday, Oct. 26, 2017 in London.

Players look at a play sheet during Minnesota Vikings practice at Syon Park on Thursday, Oct. 26, 2017 in London.

Minnesota Vikings running back Latavius Murray (25) smiles for the camera after practice at Syon Park on Thursday, Oct. 26, 2017 in London.

Minnesota Vikings quarterback Teddy Bridgewater (5) and tight end Kyle Rudolph (82) during practice at Syon Park on Thursday, Oct. 26, 2017 in London.

Minnesota Vikings head coach Mike Zimmer is interviewed after practice at Syon Park on Thursday, Oct. 26, 2017 in London.

Minnesota Vikings quarterback Case Keenum (7) is seen during practice at Syon Park on Thursday, Oct. 26, 2017 in London.

The Minnesota Vikings are directed through the terminal while arriving at London Heathrow Airport on Thursday, Oct. 26, 2017 in London.

The Minnesota Vikings arrive at London Heathrow Airport on Thursday, Oct. 26, 2017 in London.

Fans ask for autographs as the Minnesota Vikings arrive at London Heathrow Airport on Thursday, Oct. 26, 2017 in London.

Minnesota Vikings wide receiver Stefon Diggs walks through the arrivals terminal as the Minnesota Vikings arrive at London Heathrow Airport on Thursday, Oct. 26, 2017 in London.

Minnesota Vikings head coach Mike Zimmer is escorted through the airport as the Minnesota Vikings arrive at London Heathrow Airport on Thursday, Oct. 26, 2017 in London.

The Minnesota Vikings walk through the terminal as they arrive at London Heathrow Airport on Thursday, Oct. 26, 2017 in London.