Harold Mayne-Nicholls, the man who chaired the 2010 FIFA panel that evaluated bids from 11 countries competing to host the 2018 and 2022 World Cup tournaments, was banned for seven years Monday by soccer’s world governing body. Mayne-Nicholls said on Twitter that he will appeal the ban, pleading for understanding and adding that he could not comment further because FIFA’s ethics committee prohibits him from speaking about the ban. The campaigning to win the lucrative hosting rights preceded a single election by FIFA’s 24-person executive committee on Dec. 2, 2010, which gave the tournaments to Russia and Qatar. Numerous members of the executive committee, or “Ex-co,” are now at the center of an international criminal investigation involving allegations of bribery and money laundering. Two members of that executive committee, Jack Warner of Trinidad and Nicolas Leoz of Paraguay have been indicted. Another, Chuck Blazer of New York, cooperated extensively with the FBI and IRS and secretly pleaded guilty to felonies in 2013. Mayne-Nicholls, the former president of Chile’s national soccer association, is barred from taking part in “any kind of football-related activity at national and international level for a period of seven years,” said a news release from FIFA’s ethics…