President Joe Biden's campaign spokesperson Michael Tyler touted big fundraising numbers despite the president's stumbling debate performance.Samuel Corum/Getty ImagesJoe Biden's campaign says it raised $38 million since the debate against Trump over a week ago.In the day following the debate, Biden's team raised $27 million to Donald Trump's $8 million.Biden is recovering from a painful debate where he seemed lost next to a rambling Trump.President Joe Biden's reelection campaign knows it took a hit in the debate against former President Donald Trump.But Biden is coming back swinging, one campaign spokesperson says, touting $38 million in donations since last Thursday's debate."People going to joebiden.com and chipping in because they understand that when you get knocked down, you get back up and you keep fighting, and that's exactly what the President has done," Michael Tyler, the communications director for Biden's campaign, told the hosts of MSNBC's "The Weekend" on Saturday.In the day after the July 27 debate, Biden raised $27 million while Trump raised $8 million, Business Insider previously reported.