Ernesto Valverde said that Lionel Messi, who suffered a rough encounter with Manchester United defender Chris Smalling, needs further examination after Barcelona's 1-0 win over United in their Champions League quarter final first leg on Wednesday night.
The visitors secured their first ever victory at Old Trafford thanks to Luke Shaw's early own goal
"When you see the atmosphere here and the team they have and it being the Champions League, it's hard to win here," he said.
"It was a difficult game and complicated at times, but we had the clearest chances."
4 - Barcelona's four Champions League victories against Man Utd have all come at different stadiums - Camp Nou, Stadio Olimpico, Wembley and Old Trafford. Variety. #MUNBAR— OptaJoe (@OptaJoe) April 10, 2019
There was some cause for concern midway through the first half for Messi as he was left with a bloody nose and bruised cheek following a robust challenge from Smalling. The United defender left the Argentine in a heap, in what was an otherwise quiet evening for the 31-year-old.
Valverde added: "Messi wasn't so comfortable after the blow.
"They'll keep asking me about Suarez then.