Saturday in Indianapolis marks Day 4 of the 2012 NFL Combine. It also marks the first day of workouts, the real meat and potatoes of the whole affair. The first three groups -- consisting of kickers, special teams, offensive linemen and tight ends -- will be put through their paces before departing from Indy.
Here's the full schedule for all groups. You can watch the majority of the action for this year's NFL Combine on the NFL Network or streaming live at NFL.com.
Group 1 (P/K, ST, OL), Group 2 (OL), Group 3 (TE)
Workout (timing, stations, skill drills), departure from Indianapolis
Group 4 (QB, WR), Group 5 (QB, WR), Group 6 (RB)
NFLPA Meeting, psychological testing, interviews
Group 7 (DL), Group 8 (DL), Group 9 (LB)
Measurements, medical examinations, media, psychological testing, interviews
Group 10 (DB), Group 11 (DB)
Travel to Indianapolis, registration, hospital pre-exam and X-rays, orientation, interviews
You can find the full list of players invited to the 2012 NFL Combine via the NFL Combine's official website.