The following is an article from TMZ.com:
The Accused -- WWE superstar John Cena
The Accuser -- A Florida roofing company
The Accusation -- John Cena no pay.
The Amount -- $15,214.92
The Long Story Short -- The roofing company has obtained a lien against Cena's Florida home ... and unless he forks over the dough, the roofers could go after the house.
Calls to Cena's rep have not been returned.