When the 2013 season came to a close, the 49ers made it known they wanted to bring veteran wide receiver Anquan Boldin back for 2014 and get a deep-threat receiver in the draft.So far, they've re-signed Boldin, for Goal No. 1. And in the draft that begins May 8, they'll address Goal No. 2.But there's also a third necessity, and that's deciding what to do about Michael Crabtree.Crabtree, the team's No. 1 wideout, is entering the final year of his rookie contract. SJSU Football Player Critically Burned in Apartment FireHe's due to make $3.5 million this year, a good value for the 49ers. After all, Crabtree – a first-round pick in 2009 out of Texas Tech – has steadily improved to become one of the NFL's best possession receivers.As a rookie he had 48 catches in 2009, then improved to 55 in 2010, 72 in 2011 and 85 in 2012. Though an Achilles injury robbed him of most of 2013, he came back for five regular-season games to catch 19 passes, then had 15 receptions over three postseason games. When Crabtree returned to the field, the 49ers' offense – which had struggled – suddenly came alive.His presence gives the 49ers one of the best 1-2 combinations in the NFL,...