Same here. Even though I've lived all but one of my 63 years in New York City I became a big Colts fan after watching them win the 70-71 Super Bowl on the new 13-inch B/W TV my parents had just bought me for Christmas 1970.
Afterwards, I had wanted them to buy me an "official" Colts helmet to use when playing tackle with my friends vs other guys from different blocks. However, they said they were too expensive. So instead I took a blue magic marker and drew a lop-sided Colts horse shoe on my existing plain white helmet!
My dad was from Baltimore, and my mom’s two younger brothers moved from Brooklyn to Baltimore and settled there, even though my dad wound up dragging my mom to Miami....so all my extended family was in Baltimore DC area, save for some loony 2nd cousins in Brooklyn!.....Funny, my dad hated Baltimore but still rooted passionately for their teams, and he left there only 3 years after the Orioles made their debut..... I’ve spent my whole adult life in Queens....still root for the Orioles, but luv the Mets too