TROON, Scotland (AP) -- Marco Dawson's first British Open is proving to be an eventful one.
The 52-year-old Senior British Open champion reached the eighth green during his first practice round at Royal Troon on Tuesday when his caddie for the week, standing about 10 feet away, was knocked to the ground by an errant drive from Vijay Singh from the seventh tee.
''I've never seen anyone get hit by a ball like that,'' Dawson said Wednesday. ''It came down square on him. Not a glancing blow. He went in and out of consciousness.