The injury which ruled Robbie Keane out of Tottenham's pre-season trip to Portugal is not thought to be serious.
Press Association Sport understands Keane sustained a knee problem, which meant he did not travel to Lisbon for Tuesday night's friendly against Benfica.
Republic of Ireland striker Keane has been repeatedly linked with a move away from White Hart Lane since spending the second half of last season on loan at Celtic.
Source: PA
