The Chargers' 23-17 overtime victory over the Colts tied the mark for the best overnight rating for a Saturday wild-card game since 1999. The game earned an 18.3 overnight rating and a 30 share on NBC, the network said Sunday. Saturday night's game, which had a peak rating/share of 21.6/37 during overtime, was also 10 percent higher than last year's Jacksonville-Pittsburgh game (16.6/27).