Forza90, The crap is on the side of those who don't study history enough!
Roche has won at least 47 tournaments even though he lost three years to his illness!!! Learn history, boy!
The number of tournaments won does not tell all about PLAYING STRENGTH!!!!
Wikipedia list 9 ATP tournaments. I think for the sake of comparison, the amateur tournaments have to be left out of the discussion. Do you have a list of his open success?
Maybe the number of tournaments doesn't tell all about playing strength, but then, how do you assess playing strenght (Mightythik didn't answered this question by the way, but he still can)?
Is it by looking at H2H? Or at a few victories a player had against a top player (like your example with him beating a young McEnroe)?
Well, David Nalbandian is 8 - 11 against Federer, 2-5 against Nadal. He beat Federer in thrilling 5 set victory in the master cup final in 2005, and beat back to back Federer, Djokovic and Nadal to win Madrid 2007, then he beat again Nadal in the final in Paris.
Davydenko leads the H2H with Nadal. He beat him twice in master 1000 finals, and won the master cup in 2009, beating Djokovic, Nadal, Federer, Del Potro.
Roddick leads the H2H with Djokovic, all encounter happening after 2007, defeated Nadal in Miami in 2010 to win the title (Nadal's best year), Federer in 2012, and obviously defeated Nole several times.
Now, all that is great. I like to think at these players resume. I make me remind great matches. But what does it tell in order to compare them with Stolle, Solomon or any other player? Not so much.
It's true that context is important and affect directly the number, but sadly there is no way to have an ounce of consensus from our sheer subjective evaluation of a player strength, and we should better keep it for us (that's why you don't know that I consider Gonzales, Davydenko and Wawrinka the 3 best players in the word).
Numbers especially on a relatively long time-span (5 to 10 years), are the best hint of a player's true strength. Numbers (achievement), also take into account the physical, emotionnal and mental skills of the player, whereas the simple evaluation of their technical prouesse don't. And these skills are just as important as the technical ones.