Todd McShay has been studying the San Francisco 49ers spot at No. 30 in the first round of the May 8-10 draft.McShay thinks they may be in a rough spot.While their top needs, receiver and cornerback, are the two deepest positions in this draft, McShay thinks seven receivers and five cornerbacks could go in the first round.Here are the receivers he thinks can go in the first 32 picks: Clemson's Sammy Watkins, Texas A&M's Mike Evans, LSU's Odell Beckham Jr.