No way you're serious; even as an ardent cricket fan I'd never heard of him.
Apart from having set up the modern calendar (slightly adjusted in the XVII century) and having a whole month named after him, and a few other minor things such as the original conquest of Britain ...
"... what have the Romans done for us?"
“Brought peace.”
“Oh. Peace? Shut up"
Are there not vestiges of these things in modern UK today or at least England?