Hudl allows you to watch video in full screen while still editing your breakdown data. You can drag your screen to any size with as many columns and clips showing as you would like.
Simply click on the arrow next to your library tree to expand the screen to the right and hide your schedule and playlists.
You can then drag your screen using the arrow button under the telestration tools to be any size with as much data showing as you desire.
Pro Tip: Tap the F11 key on your keyboard to view even more clips below the video screen.