The Jaguars team were running through their final series of drills with their coaches at Wembley but the competition winners were invited to meet Coach Bradley and Caldwell following the session.
Once pitch side at Wembley, the fans were introduced to the pair and were able to put their questions to them as well as generally chat all things Jaguars.
With the Jaguars now London's team after signing to play one home game a season in the capital from 2013-2016, Coach Bradley said he was delighted to meet the local fans.
He said: "We have been truly humbled by the warmth and passion shown by our UK fans since we have arrived in London – the support has been absolutely amazing.
"It is always fantastic to meet the fans, they're why we love this game, and it was an absolute pleasure to meet them and it's great to see our fans getting the opportunity to get so close to the team.
"We always love coming to our home away from home in London and this year has been no different. It is so important to us to meet our UK fans as they join our team's journey."
The fans were selected through their 'NFL Fan Pass' membership – a free online sign-up which gives UK NFL fans greater access at events as well as other chances to win exclusive prizes and experiences.