The NFL Combine starts today with some player interviews.
The On Field Drills schedule is below. It has been modified a little from prior years.
Thursday: DL, LB (3 pm EST)
Friday: DB, ST (3 pm EST)
Saturday: QB, WR, TE (1 pm EST)
Sunday: RB, OL (1 pm EST)
https://www.nfl.com/network/events/nfl-combine