1. use only lower case letters
2. need to incorporate .com 
3. comebacker means a hard hit ball back to the pitcher, so something that incorporates a baseball along with fast movement
4. I'm looking for something clean and modern. Something that would look good on apparel (shirts, hats, etc.) in addition to being used online
5. The logo needs to have horizontal orientation with the wordmark, and a secondary variation that just incorporates the C in comebacker for a square sized orientation. 
6. I need a color scheme that is flexible to work on a light and dark background. See the attached image that has blue/white/black. I want to use this color scheme.
7. the word version should have a ball/swoosh under it. The swoosh should allow for a tagline in it. For now let's use adult baseball