Two-time French Open champion may not receive Roland Garros wild card.
Hall of Famer heads roster that includes Bouchard, Isner and Fish.
Second seed carries 12-0 Acapulco record into quarterfinals.
The same company that owns the Tennis Channel adds to its tennis portfolio
World No. 1 opposes wild cards for players returning from doping bans.
Former world No. 11 retires at age 29.
The 19-year-old had a nice up-close moment with his idol after a good battle on Tuesday in Acapulco
