The Top Five Prospects For The San Francisco 49ers

The 49ers finished the season at 8-8 with apparent needs at wide receiver and cornerback. Who would best fill one of those holes at the 15th spot?

The banned substance may not be a PED, but it could smear the reputation of the game's greatest wide receiver.
The San Francisco 49ers experienced a tumultuous and disappointing regular season. Which free agents should they consider adding?
I thought about the hiring of former Oakland Raiders coaches. But honestly, this one has me puzzled a bit.