0.7 —average yards allowed by the Vikings during opponents punt returns this season, which is leading the NFL; the Chargers have returned one punt for 0 yards and fair caught the ball twice this season
3 — number of interceptions returned for touchdowns by Vikings safety Harrison Smith (10 career picks) and Chargers safety Eric Weddle (19 career INTs)
12th — meeting this will be between the Vikings (five wins in series) and the Chargers; no team has won two in a row in the series
18 — points allowed per game by the Vikings defense (tied for sixth in NFL); the Chargers have scored and allowed 26 per game, ranking eighth in offense and 22nd on defense
32 — number of first downs Chargers have gained by passing (out of 47 total first downs); the Vikings, meanwhile have gained 17 by running, 18 by passing and two on opponents' penalties
36 — points scored by the Chargers in the second halves of their first two games; San Diego has allowed 17 in those spans; the Vikings have been outscored 19-12 in second halves so far this season
72.6 — completion percentage by Teddy Bridgewater in his past seven games; the second-year pro has completed 70 percent of his passes in six of the past seven games; San Diego's Philip Rivers has opened the season at a rate of 81.2 percent, which is nearly 20 points higher than Minnesota's opponents so far this season
91 — career touchdowns by Adrian Peterson, which is third in franchise history behind Cris Carter (110) and Randy Moss (93)
100 — number of starts that Sunday's game is scheduled to be for Peterson, including his third against the Chargers; the running back rushed for an NFL-record 296 yards and scored three rushing touchdowns the last time San Diego visited Minnesota (2007); Peterson had 98 yards against the Chargers on the West Coast in 2011
611 — net passing yards by San Diego this season, which was fueled by 388 against Detroit in a Week 1 come-from-behind win; the Vikings have 598 total net yards, but were able to capitalize on short fields created by Lions turnovers and Vikings successes on special teams in Week 2
