There is a graphical overlay bug when viewing the drafting stage of a Captains mode replay in windowed mode at 720p.

Steps to replicate bug:

1. Set game resolution to 1280x720
2. Set Display Mode to Windowed
3. View Captains Mode game replay

Captains Mode Overlay Bug.jpg

Note: When you jump to the drafting stage you can see the overlay has a graphical bug but when you advance to the laning phase of the game the overlay issue is resolved.