On Friday, Barack Obama spoke at a campaign event for Democrat Senate candidate for Georgia, Raphael Warnock. During his remarks, he bashed Trump-backed Senate candidate and College Football Hall of Famer Herschel Walker, suggesting that he is unfit for office.

In Georgia, Obama joined Warnock at a rally where both politicians tore into GOP candidate Walker.

“You actually have to know stuff to do this job,” Warnock said about Walker, insisting that he is “not ready” and “not fit” to represent the state of Georgia.

Obama piled on to these critiques, suggesting that Walker is nothing more than a former football player. “Some of you may not remember, but Herschel Walker was a heck of a football player,” Obama said. “But here’s the question: Does that make him the best person to represent you in the U.S. Senate? Does that make him equipped to weigh in on the critical decisions about our economy and our foreign policy and our future?”

“If a candidate’s main qualification is that he’s going to be loyal to Donald Trump, it means that he’s not really going to be thinking about you and your needs, and you deserve better,” Obama added.

Walker, who is slightly ahead of Warnock in the race for Senate, appeared on “Fox & Friends” after these comments were made, where he hit back at the former president for diminishing his qualifications.

“He forgot to tell people I created one of the largest minority-owned food service companies in the United States of America, so I do sign the front of a check, which he’s probably never done except when he was in the White House,” Walker said. “I created businesses, I sit on a public traded board. So those are things I’ve done outside of football. Put my resume against his resume – I put it up any time of the day and I think I’ve done well.”

Walker also pointed out that all Obama did during his presidency was “hang out with celebrities.”