The brand name is Dirty Cleatz and it is an apparel company focusing on the lifestyle of high school and college football in the USA.
The concept for this shirt is a "Less Talk, More Chalk" which implies that players need to not talk and lift weights/work hard (Chalk is used on hands in weightlifting for grip).
I don't have a perfect visualization in my head, but something that incorporates our logo, a barbell bending from the weight etc. I'm open to ideas and will gladly provide feedback on each design that provides a jump off point.
We have already had one shirt made with a different theme, but maybe it will show you what the brand is looking to portray. The theme of this shirt was "Brotherhood":