Patrick Mahomes and his fiancée, Brittany Matthews, learned the sex of their baby in the sweetest way — with help from their dogs.The Kansas City Chiefs quarterback, 25, posted an Instagram video of the reveal on Wednesday, October 21. While their loved ones watched along via Zoom, the couple’s pups, Steel and Silver, dipped their paws in pink paint and walked across white paper to confirm the parents-to-be are expecting a girl.