Pique made the claim in an emotional interview following Barca's home match against Las Palmas, which was played behind closed doors as a protest on a day when violent scenes broke out during Catalonia's unofficial independence referendum.
The Spanish global has upset a lot of people in Spain for his political views where he has been a supporter of the referendum on Catalan independence, and speaking after a match that very almost didn't take place, the toll it is taking on Pique was clear to see.
"For a moment I couldn't believe it", he told the AFP agency.
"Going with the national team is not a competition in patriotism, it's about trying to play the best you possibly can".
"If anyone in the federation believes I should not be there, I will step aside".
Security forces were seen using rubber bullets and baton charges as they clashed with protesters, leaving more than 750 people injured, according to Catalan health officials. It was my worst experience as a professional.
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"It's been a hard day for families, children, grandparents and the images speak for themselves". The whole world has seen what has happened today.
Pique said: "The board tried to postpone the game at all costs, we debated it between the players and the club, and chose to play".
"There were arguments for and against playing, we took into account the points at stake". Lots of players expressed an opinion before the game.
An outspoken supporter of the region's independence movement, Pique - who's Barcelona side were forced to play in an empty stadium against Las Palmas due to the proceedings - is holding no grudges, but would leave Sergio Ramos's squad if his presence upset others.
The 30-year old was clear about his position on the importance of their being a referendum saying that whether people voted yes, no, or abstained it didn't matter.
Of those to appear for the Camp Nou outfit, none were more affected by today's harrowing events in Barcelona than Catalan native Gerard Pique, who has always been an advocate for independence for the people of Catalonia.