Larry Johnson is making it very hard for Kansas City's Dick Vermeil to remain a one-back coach. When Vermeil's workhorse, Priest Holmes, missed the second half of last season with a knee injury, Johnson got a shot and ended up rushing for 498 yards over the last five games (averaging 5.0 yards per carry). Holmes was back in his old spot against the Jets on Sunday, but it was Johnson who stood out, rushing for 110 yards and two touchdowns on only nine attempts. Pretty tough to ignore the firepower of a Holmes-Johnson combination: 31 carries, 195 yards and three TDs in a 27-7 win over New York. "It's not ideal for either guy," Vermeil said of the shared load, "but both are pretty darn fresh late in games." ... San Diego's 5'6" Darren Sproles might be the most exciting rookie in the league. The running back out of Kansas State had 171 return yards in the 28-24 loss to Dallas and soon will be a third-down weapon for coach Marty Schottenheimer.... While everyone talked about the Lions' potentially explosive offense before the season, the performance of Detroit's defense is what stood out in Sunday's 17-3 victory over Green Bay. That's the fewest points the Packers have scored in Brett Favre's 226 regular- and postseason starts.