New York sports fans made sure to let Rudy Giuliani know just how much they don’t like him on Monday.

Yankee Fans Boo Rudy Giuliani

At the Yankees’ 5-1 home loss to the Houston Astros on Memorial Day, fans booed the former New York City mayor and prosecutor, who celebrated his 74th birthday on the holiday and was seen donning a Yankees hat. The boos and jeers came after an announcer revealed that it was Giuliani’s birthday.

Giuliani served as mayor of New York from 1994 to 2001. He has often promoted his image as the savior of the city after the September 11 attacks. Since joining President Donald Trump‘s legal team in special counsel Robert Muellers investigation into Russian interference in the 2016 election, Giuliani has largely defended Trump and his administration. However, he has also found himself at odds with longtime friend Trump after he contradicted the president on several issues, including Trump’s personal lawyer Michael Cohen‘s$130,000 hush-money payment to porn star Stormy Daniels

Giuliani has even gone as far to say that collusion between Trump campaign officials and the Russian government is not illegal, an opinion that has drawn even greater controversy.

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The former mayor also falsely claimed earier this month that Mueller could end his probe by September 1.

Daniels’ attorney Michael Avenatti noted in a tweet how much Giuliani and Trump are disliked in New York.

Even Dictionary.com took a jab at Giuliani on Twitter by adding a link to a tweet about its definition of a “Bronx cheer:”

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