Ahead of tonight's World Cup opener, Bocanegra hinted at a physical battle.
He said: "I think we traditionally have had a team who's physical and athletic, and our fitness levels have been quite high. Obviously we know England has a strong team, but inside our camp we have a confidence that we're going to go out there tomorrow and give them a good game, all they can handle. Hopefully we can get the three points.
"They know what we have to offer, we know what we have to offer, it's no secret really between the two teams. We're familiar with each other."
Bocanegra added: "As far as our camp goes, we have a great team spirit. We have a lot of confidence in the group, all the guys play for each other and we play for our country. We have a really good thing going on here, but I'll only speak on my behalf."