Patrick Mahomes had an inside scoop on Taylor Swift's "New Heights" appearance before anyone else ... 'cause it turns out the pop superstar FaceTimed his wife, Brittany, right after wrapping the episode!!
A reporter asked the Kansas City Chiefs quarterback about this week's Swift news during his press conference on Wednesday ... and considering how close he is with Travis Kelce, it's no surprise he got a heads up.
"I knew before y'all did," Mahomes said on Wednesday, "just 'cause they called me after the podcast was done.