SANTA CLARA -- Kyle Williams isn't surprised that he's listed with Anquan Boldin as the 49ers' starting wideouts for Sunday's season opener. But Williams insisted this won't be a two-man show.
"That's how always we do things: we do it by committee," Williams said Tuesday. "I'll take on the responsibilities as the No. 2, but it's not going to be limited to me.
Expected to rotate with Williams in the 49ers' variable sets are Marlon Moore, Quinton Patton and perhaps Jon Baldwin. Newcomer Chris Harper is being groomed into the hybrid role previously filled by tight end Delanie Walker.
Moore also anticipates a platoon-like situation, noting: "If you're good, you're going to see the field. That's what I've learned from this coaching staff."
Moore started all four exhibitions, and he's listed as a second-team wideout with Patton. Williams said Boldin takes on the unquestioned No. 1 role previously held by Michael Crabtree, who's out with an Achilles injury through at least November.
"We have playmakers and you'll see all of us," said Williams, who is relieved he'll get to play -- and return punts -- for the first time since sustaining a Nov. 25 knee injury.
Although the depth chart lists him as the No. 2 returner behind LaMichael James, Williams said he'll "for sure" be Sunday's punt returner against the Green Bay Packers while James recovers from Thursday's left-knee sprain. Williams classified himself as a "maybe" for kickoff-return duties.
Williams sat out the exhibition season under what he termed doctors' orders. Come Sunday, "I expect to get the ball and do great things with it."
James doesn't think he'll be out long and hopes to better gauge his health as this week progresses.
"Anytime with a knee (injury), you always worry, but you've got to be a competitor," James said.
"I've never gotten in a three-point stance before," Harper said. "I thought I was a great blocker playing receiver, but now I've got to block Aldon (Smith) and Patrick (Willis), so we'll see." Harper got No. 13 as he requested, and he expects to see some time at wideout.
Ronndale Esporlas claims Smith and Walker repeatedly and illegally fired weapons on numerous occasions and also were aware the weapons were illegal. Smith sustained multiple stab wounds at the party, and his assailants were never identified.