How is it that Jimmy Connors can ever be considered one of the greats of tennis if he didn't have a serve?

Question

When Connors lost a match, it was probably because he was out-served. With a weakness like that, how can he possibly be considered as great as Bjorn Borg, for example? What strenghts did he have which could possibly make up for his lack of serve?

Answer 1

well u can do a google search on him

or wikipedia on him

Answer 2

He may not have a great serve but he is the winningest male tennis player of all time having 107 titles across his name. This alone can consider connors as one of the tennis greats.