THEY’RE not going head-to-head, they mightn’t come within an acre of each other on the wide grasslands of Semple Stadium, but of all the performances in the All-Ireland club SHC semi-final in Thurles tomorrow, how Ballyhale’s Henry Shefflin scores for the Kilkenny champions against how Joe Canning scores for Portumna will have a huge bearing on which side progresses to the final.