Jim Harbaugh's men could do with speed and a red-zone threat at the receiver position to give quarterback Colin Kaepernick more options next season.
However, San Francisco already has two excellent starting receivers in Michael Crabtree and Anquan Boldin, and a promising youngster in the form of Quinton Patton.
The 49ers' depth at cornerback is less impressive following the departures of Tarell Brown and Carlos Rogers.
Tramaine Brock and Chris Culliver are expected to be the starters in 2014, but behind them there are doubts about Eric Wright and newly acquired free-agent signing Chris Cook.
San Francisco has no clear candidate to play at the nickel spot in 2014, and that should be its biggest area of concern in the draft come May 8. The 2014 class is a deep one at the cornerback spot, and the 49ers could conceivably fill what is their biggest need outside of the first round.
But what will the 49ers be looking for when they more than likely choose to address the position?
Their main division rival, the Seattle Seahawks, has set a precedent with big-bodied, long-armed and physical cornerbacks. A number of teams will be eager to find their answer to the likes of Richard Sherman and Brandon Browner.
Size, physicality and tenacity are all important in grading a cornerback, as are key factors such as speed, coverage and ball skills and versatility.
Here I look at the top 10 cornerbacks who can fill a glaring hole in the 49ers defense.