I haven't tried it out personally, but on their website BetAtlas.com offers this for free to all members...
Quote:
Get a FREE subscription to our BetAtlas.com Sports Rotation Schedule!
All qualified BetAtlas.com members can receive a FREE subscription to our Sports Rotation Schedule. Our Schedule corresponds to the International Don Best Rotation Schedule. This game rotation format is the most popular schedule used by North American sports bettors, bookmakers, and sportsbooks alike.