By Matt Audilet Recent rumors speculate that there was a “grand plan” to unite Tom Brady and Sean Payton as a QB-head coach combo for the Miami Dolphins after each of their respective retirements earlier this offseason. Payton has since denied any knowledge of that plan, per Miami insider Barry Jackson. The longtime Saints leader said he would’ve stayed in New Orleans had he wanted to continue coaching in 2022. “If I had been ready to coach this year, I would’ve stayed in New Orleans,” Payton said when talking to reporters after the Zurich Classic celebrity shootout on Wednesday. “It’s nice to…