And there is still time for Bradley to make it four out of four in Sunday's singles at Medinah.
Mickelson said: "The European side has had some great team-mates - Seve and Ollie and some others - but to be able to share this experience with Keegan and to partake in his great play and experience the Ryder Cup together has been really awesome."
The comment of America's most capped player - this is his ninth successive appearance - followed a remarkable 7&6 win for the pair over world number three Luke Donald and world number four Lee Westwood.
It was their third win together in Chicago and equalled the largest margin of victory ever by either side in 18 holes of either foursomes or fourballs.
"We've had so much fun," added Mickelson, rested like Bradley from the afternoon fourballs so they would be fresher for the final day of America's attempt to win back the trophy.
"The crowd has provided so much energy and it's brought our best golf out."
Bradley was little-known outside the States 14 months ago, but then won the USPGA Championship - the first major he had ever played in - and earned a cup debut by winning the Bridgestone world championship last month.
"Right now I'm just thrilled I get to share this with Phil and play the way we did," said the 26-year-old, whose aunt Pat is a six-time major winner in the women's game.
"Phil was giving me a pep talk early in the round, saying we need to come out hot against these two great players. We were lucky enough to do that.
"It's not very hard to get excited out there when you walk out onto that first tee and the crowd is going crazy.
"It's just an unbelievable event, an unbelievable experience as a player and as a fan.
"I'm putting so much emotion into my rounds that it's probably a good thing that I'll be rested up for the singles.
"In my career I have had big moments where I've showed my emotion, but it's just very relaxing to know that I have a Hall of Fame partner that knows how to get it up and in from anywhere.
"The most emotional week for me was winning the PGA Championship and having my life change overnight, but this is a different type of emotion.
"I watched Bubba Watson tee off, he got the crowd going and I couldn't contain myself. I was just so excited and so proud of him.
"Phil wants me to get fired up and to get the crowd excited - and get him excited. There's been a few times where my caddie Pepsi and Bones (Mickelson's bag-man) have reminded us it's time to calm down.
"I think Chicago should be very proud of the way the fans have acted. There hasn't been much unsportsmanlike conduct.
"They've been very pro-American obviously and they're getting me and Phil very excited - I can barely contain myself out there - but I think they've done a great job.
"It's obviously a huge advantage to be in front of your home crowd."