Let's be real. Nike put their eggs into the Federer/Nadal basket in terms of the men's tour. They account for 98% of their clout. Everyone else is an afterthought. They don't take punts of players by paying them millions of dollars - they offer them deals in the 5 or low 6 figures with performance incentives.
Original Pro Staff 85, leaded to 370g, hybrid poly/syn gut set-up, 48-52-ish lbs.