Former FIFA chief Sepp Blatter has backed a proposed fan boycott of World Cup 2026 matches in the United States because of the conduct of President Donald Trump and his administration at home and abroad.Blatter is the latest international football figure to call into question the suitability of the US as a host country, calling for a boycott in a post on X on Monday.Recommended Stories list of 4 itemsend of listThe US is cohosting the World Cup with Canada and Mexico from June 11 to July 19.Blatter supported the comments of Mark Pieth, a Swiss lawyer specialising in white-collar crime and anticorruption expert, who called on football fans to stay away from the US.“If we consider everything we’ve discussed, there’s only one piece of advice for fans: Stay away from the USA!” Pieth, who also chaired the Independent Governance Committee’s oversight of FIFA reform a decade ago, said in an interview last week with the Swiss newspaper Der Bund.“You’ll see it better on TV anyway,” Pieth said, adding, “And upon arrival, fans should expect that if they don’t please the officials, they’ll be put straight on the next flight home. If they’re lucky.”In his X post, Blatter, quoting Pieth, added, “I think Mark Pieth is right to question this World Cup.”The 89-year-old was president of the football governing body from 1998 to 2015, when he resigned following …