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Roy Helu Jr. RB Nebraska: The Rams have been trying to draft a back-up running back to Steven Jackson for several years now, and every year they seem to forget about it. If they are in a situation where a running back isn't an option in the first four rounds, then they might decide to take a chance on a late round running back.
Helu has size and speed, but does not excel at any aspect of the game, and he has struggled with fumbles his entire college career.
Jeron Johson S Boise State: Safety is now a major need for the Rams. This year's draft is not a particularly strong year for safeties, so they might avoid picking one early on. However, they might decide to invest a late round pick on a developmental project.
Johnson has good speed, and will be able to keep up with receivers, but he is undersized and is lacking the natural athletic ability that it takes to succeed in the NFL.
Tim Barnes C Missouri: The Rams have very little interior offensive line depth. There is a chance that they will look for a starting guard early on (Stefen Wisniewski, John Moffitt), but even if they do take a guard early on, they still could draft another one late in the draft to develop their depth at the position.