Brent Venables knows that Oklahoma was lucky to escape with a win against Houston on Saturday. The Sooners seemingly did everything they could to give the game away as it came down to a defensive stop on the very last play. On a day where its offense struggled immensely, failing to score any points at all in the second half, the defense came up big late in the 16-12 victory. Speaking with SEC Network postgame, the OU coach did not mince words on the performance from his team. CLICK HERE to go to PrizePicks and use code ON3 to receive a guaranteed $50 once you play $5 in lineups! “We certainly …