Authors:

[In the modern game] you're either a clay court specialist, a grass court specialist or a hard court specialist... or you're Roger Federer...

"Connors on the men's final" by Jimmy Connors, news.bbc.co.uk. July 9, 2006.
[In the modern game] you're either a clay court specialist, a grass court specialist or a hard court specialist... or you're Roger Federer...