LONDON -- San Francisco 49ers receiver Jon Baldwin is active and Kyle Williams will be the No. 2 starting receiver Sunday against Jacksonville at Wembley Stadium.Baldwin has been ill for the past 10 days, but he practiced some on Friday and was listed as questionable.Both Williams and Baldwin have been mostly ineffective as the No. 2 receiver this season as the 49ers wait for Michael Crabtree and Mario Manningham to return from injuries.There were no other surprises on the inactive list: quarterback McLeod Bethel-Thompson, receiver Quinton Patton, running back LaMichael James, cornerback Nnamdi Asomugha, linebacker Jermaine Cunningham and guard Joe Looney.