Randy Moss was the San Francisco 49ers' No. 4 wide receiver in Week 2's win against the Lions.

Mario Manningham moved into the 49ers' primary role in two-receiver sets with Michael Crabtree.

Crabtree played 45 of the 49ers' 63 offensive plays, tallying six catches for 67 yards.

Manningham played 60 percent of the 49ers' offensive snaps.

Kyle Williams typically lined up in the slot when San Francisco had three receivers, playing 22 snaps.

Moss played just 16 snaps and was targeted just once by Alex Smith for a 14-yard gain.

Moss played 31 percent of the time in Week 1, including a touchdown.