If you enjoyed reading this article, please click here to view it on Kropotkin's site, MotoGP Matters. ----------------- Fifteen minutes for World Superbike to determine the grid for this afternoon's race opened under a cloudy sky but rain had still not made an appearance. Garrett Gerloff joined Michael van der Mark in being ruled unfit for the remainder of the round after a crash in this morning's free practice session, suffering an injury to his left knee. Xavi Fires was pulled off Eurosport commentary duties and plonked on a Ducati to replace an injured Philipp Oettl.