Refine Logo Text Layout

I want to adapt my logo to fit in with the design of the new shirt for the team i sponsor. As you can see from the images the main front of shirt sponsor has a black outline. My logo will go on the sleeve and will sit roughly where i have the mock up. The bottom tag line didnt print well on the last one (navy). I was thinking of changing the text. Maybe "the football shirt collection app" or something or even no tag line.