The Spain international had to be withdrawn in the first half of the European match and will undergo a check-up to determine if he has sustained any damageBarcelona defender Gerard Pique has been taken to a local hospital following his clash with teammate Victor Valdes in the 2-2 Champions League second-leg draw against Chelsea at Camp Nou.
The Spanish defender collapsed to the floor after colliding with the goalkeeper just 17 minutes into the game.
He returned to the pitch after being given medical care, but felt unwell and had to be replaced by Dani Alves nine minutes later.
The 25-year-old, who returned to the starting lineup after a three-week absence, will undergo a battery of tests to learn if he has sustained damage from the challenge.
Barca has been denied the chance to defend its Champions League crown as a result of the 3-2 aggregate defeat to Chelsea following a 1-0 loss at Stamford Bridge in the first leg of the semifinal tie.
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