JPM seems to have slipped over or something in a tennis match and scored himself a hairline fracture and some tissue damage to his shoulder and collar bone, which is threatening his chances of being fit enough for Bahrain in a weeks time. For worst case scenario, McLaren will be keeping Pedro de la Roso on standby to fill in for him, and be deciding whether to modify an MP4/20 to suite the extra height of Alex Wurz or simply bringing an MP4/19B to fulfil Friday 3rd car practise duties.