Daniel Suarez took to X following Sunday’s Goodyear 400 at Darlington Raceway to apologize to his fans for his recent struggles this season. Suarez admitted he and his team are “struggling a lot,” and haven’t been able to find the speed necessary to compete. “It’s very hard to put into words, you know, what has been happening lately,” Suarez said in a video, via Dustin Long of NBC Sports. “In the 99 team, frustration is an understatement. It’s been difficult, you know. It’s been difficult. I will say for the good part of maybe a month, month and a half ago, we were trying some different stuff …