Mack Hollins with Jaguars kicker Josh Lambo, Chargers linebacker Kyle Emanuel, Titans defensive lineman Jurrell Casey, Seahawks cornerback Neiko Thorpe and Raiders tight end Jared Cook at Piccadilly in London.

Mack Hollins talks to Jaguars kicker Josh Lambo.

Mack Hollins with Jaguars kicker Josh Lambo.

Mack Hollins doing a selfie video for NFL UK.

Mack Hollins and Josh Lambo walking inside of St. Paul's Cathedral.

Mack Hollins and Josh Lambo in awe of the historic church.

St. Paul's Cathedral is more than 300 years old.

Mack Hollins and Josh Lambo learn about St. Paul's Cathedral's architecture.

Mack Hollins reads a book that contains the names of Americans based in Britain that lost their lives during World War II.

Mack Hollins with an Eagles fan after the NFL UK Live event

There are Eagles fans everywhere

Mack Hollins with Jurrell Casey, Jared Cook and a lucky fan after the NFL UK live event.

Mack Hollins looking at a pair of the book's beautiful pages.

Mack Hollins being fitted for a suit

Mack wanted a suit that represented London's unique style

London, Mack Hollins style

Mack Hollins giving some words of encouragement to the participants of the Summer Bowl flag football tournament in London.

Mack Hollins with a few of the 1,000 children that participated in the Summer Bowl flag football tournament in London.

Mack Hollins dancing with a few of the participants.

Mack Hollins taking part in a fun race.

Mack Hollins.

Mack Hollins having a chat with Seahawks cornerback Neiko Thorpe.

Mack Hollins taking

Three of the 1,000 participants.

Mack Hollins enjoying one of the games.

All smiles.

Mack Hollins and Titans DL Jurrell Casey.

Mack Hollins with a trio of Summer Bowl MVPs

Mack Hollins showing off his intelligence and strength at the same time

Mack also showed off his dancing skills

Mack Hollins, Titans DL Jurrell Casey, Jaguars K Josh Lambo, and Chargers LB Kyle Emanuel