Playing 7-2 offsuit

I just found the best time to play 7-2 offsuit.

I was in a Sit-N-Go and it was down heads up.  I had the dominant chip lead with 10,000 to his 1,500.  Preflop, my opponent was first to act and goes all-in.  I'm only afraid of an over pair.  I figure as long as I have two live cards I'm in good position.

We show our cards and my opponent has A-J suited.

The flop comes 10-9-2. The turn and river come junk and I win the tournament with 7-2 offsuit.  Nice.