Frustration with failure led Messi to seek Barcelona exit

Lionel Messi and Barcelona forged an extraordinary winning combination for more than a decade until cracks in the foundations of the soccer dynasty grew, leading the Argentine great to doubt his future at the club.Now that Messi is staying for one more year, after an unseemly dispute with club executives, one clear outcome looks like being an awkward season ahead at Camp Nou.Messi brought one-of-a-kind talent for darting past defenders, along with brilliant passing and scoring goal after spectac