* Mickelson, Fowler pull off late comeback
* European veteran Westwood struggles (Updates after opening foursomes session)
CHASKA, Minnesota, Sept 30 (Reuters) - A fired-up Jordan Spieth and Patrick Reed set the tone as the United States seized early control at the Ryder Cup on Friday with a 4-0 sweep of the opening foursomes matches against holders Europe.
Thunderous roars of "USA, USA, USA" echoed across the ultra-long Hazeltine National layout as twice major winner Spieth and fellow young gun Reed beat European heavyweights Justin Rose and Henrik Stenson 3&2 in the top match to secure the first point.