A few notes, thoughts and observations from Radio City Music Hall as Round 4 of the NFL draft unfolds.

So, it’s a rare occasion when Oklahoma doesn’t have the sort of must-see prospects that could change the complexion of the early stages of the draft. This year, while a young Sooners team builds toward a potential run at the 2011 national title, the school’s pro offerings are limited, with three players projected to be middle-round picks.

It’s Day 6 of the 2011 NFL Scouting Combine, and defensive backs will take center stage on the final day of workouts at Lucas Oil Stadium.