49ers review vs. Bills: Wide receivers, tight ends

The player-by-player review of every position group from the 49ers' 45-3 victory over the Buffalo Bills continues . . .Wide receivers
10-Kyle Williams: He played 20 snaps on offense and helped get the offense going with the first touchdown of the game. . . He made good adjustment against CB Aaron Williams to catch QB Alex Smith's back-shoulder throw, then turned it up for a 43-yard touchdown in the second quarter. Made good block downfield on CB Justin Rogers to enable Hunter to pick up 12 yards on third-and-10. . . He finished with two catches for 50 yards and also averaged 22.5 yards on two kickoff returns.
15-Michael Crabtree: He played 29 snaps and had one of the better games of his career with six catches for 113 yards and a touchdown. . . Working out of the slot, he had 26 yards after the catch for a 36-yard gain to set up 49ers' first TD. . . Scored first TD of the season when he got wide open on a corner route behind the corner and in front of the safety for 28 yards with :24 remaining before the half.
17-A.J. Jenkins: He was inactive (coaches' decision).
19-Ted Ginn Jr.: He played 12 snaps of offense as the 49ers' No. 5 receiver, with most of it coming after the starters were removed. He did not catch a pass. Ginn averaged 6.3 yards on three punt returns.
82-Mario Manningham: He played 32 snaps, finishing with four catches for 26 yards. . . He ran a 9-yard out when the 49ers needed 11 yards on their first third down of the game. . . Completely turned around CB Aaron Williams and gained yards of separation on a 10-yard touchdown pass from Smith at the beginning of the fourth quarter.
84-Randy Moss: He played 18 snaps and had one catch for 11 yards, but coach Jim Harbaugh continues to rave about his contributions. "Randy Moss has been just great," Harbaugh said. "A lot of people talk about the past or whatever, I've seen nothing other than a guy that just works hard and wants to contribute and practices, just says and does all the right things. If there was something in the past it'd be like that Etch a Sketch you have as a kid and you lift that piece of paper up. It's been nothing but great."REWIND: Roman gets high marks for 49ers' record-setting offensive display
Tight ends
46-Delanie Walker: He did not have a pass thrown his way, but he still managed to make an impact in his 38 snaps from scrimmage. . . Made block on LB Arthur Moats on Gore's 19-yard run in first quarter. . . Made block on SS Da'Norris Searcy to enable Kaepernick to get into the end zone on 16-yard TD run in fourth quarter. . . On the negative side, called for a tripping penalty that negated a 14-yard gain by Hunter. After reviewing the film, Harbaugh disputed the call.
81-Garrett Celek: The undrafted rookie from Michigan State played 14 snaps on offense and had his first career reception for 4 yards.
83-Demarcus Dobbs: He did not play on offense, but had a team-high 25 snaps on special teams.
85-Vernon Davis: He played 56 snaps and caught five passes for 106 yards. He helped set up the 49ers' first points (a field goal) with a 53-yard reception in the first quarter. On the third snap from scrimmage, his 21-yard reception was brought back because of a holding penalty.