Perhaps the San Francisco 49ers' pursuit of an impact veteran wide receiver is not dead this offseason.The latest name connected to the team is Philadelphia's DeSean Jackson.Earlier Tuesday, ESPN Insider Adam Schefter reported that the Eagles were not necessarily shopping the dynamic receiver but they would be willing to listen. Later, CSN Philadelphia reported that the 49ers and the Patriots called about Jackson. The report stated that the Eagles would like at least a third-round pick for Jackson, who starred at nearby Cal.