Getty Madison Beer (r) As Kansas City Chiefs tight end Travis Kelce and global pop megastar Taylor Swift continue to feed the public with new tidbits about their ultra-high profile relationship, there’s another crossover coupling between the NFL and the pop music world that is flying much father under the radar. This one involves Los Angeles Chargers quarterback Justin Herbert , 27, and 26-year-old pop star Madison Beer who certainly appeared to be dating when they were spotted hand-in-hand at