I'm full of surprises
It said in the article it would take a few years for any change. Rafa's playing days will be long past.
I see you preserved my initial suggestion of "clay", which I realised does lack a certain something when written in huge letters on a poster.
A full-length poster of Tomic perhaps, with the slogan "RG II: this one's worth staying up late for, Bernard!"? No, I am clutching at straws now.