Brandon Mroz has possibly landed the first quad lutz in competition:
Mroz’ quad lutz video
I’m not sure after watching the video; it seems his landing was a little short but I can’t tell if it was more than the “allowed” amount…
Read more about his attempt here:
Top skating official says Mroz could jump into record books from Phil Hersch’s “Globetrotting”.
(N.B. The ISU ratified Mroz’s quad lutz on October 16, 2011, making it the first quad lutz successfully landed in competition.)