Madrid, Aug. 25 -- Barcelona coach Ernesto Valverde has said he will not risk Lionel Messi's fitness against Real Betis on Sunday and insists it is up to everyone to integrate Antoine Griezmann into the team. Messi has returned to training this week after the Argentinian sustained a calf injury on August 5 and missed the whole of Barca's pre-season. "If he is not 100 per cent, I think he won't play," said Valverde in a press conference on Saturday. "We have to wait for training, I can't predict anything. I don't know if we can count on him, or not, or to what extent." Valverde will be particularly eager to have Messi back after Barcelona's 1-0 opening defeat to Athletic Bilbao, during which both Luis Suarez and Ousmane Dembele were injured....