Final mock features big changes

The first round of the NFL draft (7:30 p.m. ET, ESPN) is only hours away and the buzz surrounding particular prospects and picks is picking up significantly.

There has been a change in the top five, with one offensive tackle replacing another, and all kinds of shuffling down below. Here is Scouts Inc.'s final first-round projection based on what we're hearing as the clock ticks down:

St. Louis Rams

Record: 1-15 | Needs: QB, WR, CB, OT, DT

Sam Bradford, QB, Oklahoma

Detroit Lions

Record: 2-14 | Needs: DT, OT, ILB, RB, SS

Ndamukong Suh, DT, Nebraska

Tampa Bay Buccaneers

Record: 3-13 | Needs: DT, WR, DE, DC, OLB

Gerald McCoy, DT, Oklahoma

Washington Redskins

Record: 4-12 | Needs: OT, DE, FS, NT, OG

Trent Williams, OT, Oklahoma

Kansas City Chiefs

Record: 4-12 | Needs: OT, FS, NT, ILB, OLB

Eric Berry, S, Tennessee