My team and I started keeping track of map usage in CL a few years ago as we think this is something that not all clans have the time or energy to do and we think the league should be fair for all clans. If a clan doesn't notice that their opponent is overusing a map, they shouldn't be punished for that. In the past few Clan Leagues, I have simply kept a close eye and let clans know when they went over and asked them to remake. We discussed, though, and think everyone should have access to view the usages sheet, which is linked below.
Below is the sheet where we keep track of map usage:
https://docs.google.com/spreadsheets/d/ ... sp=sharingIf anyone wants the CD team to make them their own sheet to keep track of usage or to help with planning, please just ask us. We are more than happy to help wherever we can.