laver - rocket, little rocket
nastase - nasty, bucharest buffon
borg - the iceman, angelic assassin
djokovic - nole, djoker, the terrible
murray - muzza, muzz
ferrer - pics (btw i never understood why he is called pics), little beast
tsonga - jo, jo willie, ali of tennis
berdych - berdman, berd, birds**t (when he is plays like crap and annoys his fans)
del potro - del pony, d pot, potty, dp