The San Francisco 49ers' top three free agents are receiver Anquan Boldin, safety Donte Whitner and kicker Phil Dawson. Let's look at some 2013 deals that may serve as comparison points for each player in free agency.BoldinComparable deal: Wes Welker's two-year, $12 million deal that includes $6 million in guaranteed money with Denver.Thoughts: Boldin made $6 million last season. While he had one of his best NFL seasons in 2013, Boldin is 33 and he won't command a huge deal.