In eight games, Nall has completed 124 of 221 passes for 1,696 yards and 14 touchdowns with six interceptions for the Claymores (4-4).
"Craig raised the bar for himself with that performance against the Admirals on Saturday night," Claymores head coach Gene Dahlquist said.
Nall completed all three of his passes on an opening 89-yard drive, including a 34-yard touchdown pass to Mike Malan as Scotland bolted to a 21-3 lead.
Rhein Fire (5-3) defensive end Jesse Warren was named Defensive Player of the Week after he recorded 2 tackles, a sack and a fumble recovery for a touchdown during Rhein's 28-21 defeat of the Berlin Thunder (2-6).
The 6-foot-4, 275-pound end scored the game's opening touchdown when he dived on a Phil Stambaugh fumble in the end zone for an early 7-0 lead. Warren has recorded 11 tackles and 3 sacks since joining the Fire in mid-season.
Thunder kicker J.R. Jenkins, of the Baltimore Ravens, was named NFL Europe's top special teams performer after he kicked his second four-point field goal of the season. After landing a 50-yarder in Week 7 against the F.C. Barcelona Dragons, he nailed a 52-yard kick against Rhein on Sunday and later added a 45-yard field goal.
Other NFL Europe action over the weekend featured the Frankfurt Galaxy (5-3) dismantling the F.C. Barcelona Dragons (5-3), the top team in NFL Europe entering the week, 47-13, in Barcelona, Spain.