If you want to see film clips of potential college draftees in 2019, here is a link to a guys speadsheet.
You pick the position from tabs along the bottom of the screen (you may need to scroll down a bit to see them. Select a position. Then look at the listed prospects. Click on the film clips for a mini-bio containing a highlighted area of clips. Click on the highlighted area to see the clips (there is often more than one link in the highlighted area, so where you click in it determines what clips you see.
I hope this is useful for you 2019 draftniks