Text: Professional golf in the U.S. is mainly run by the PGA Tour, the LPGA, and the PGA of America. However, the USGA is at the heart of amateur golf in the country and organizes the 10 national amateur championships. The leading events are open to all age groups, but are usually won by golfers in their early twenties who are working towards a career in professional tournament golf:

Question: is the usga the same as the pga?
no