He won the Ohio Open in 1956 at age 16, competing against professionals.
He was against professionals who were older and fitter.
This would be a largely conventional fight, known as the "war against professionals", that would continue until late 1968.
American amateurs seemed excited by the opportunity to compete against good professionals.
It was obvious that Jack was an amateur up against professionals.
When you are busy being a jack of all trades, you're competing against professionals.
I never knew I was up against professionals," she said.
Others feel she will develop more quickly with more experience against professionals.
For years, he's played against professionals in the summer.
Try your little bag of tricks against professionals, Taylor, and see where it gets you.