Best Rivalry there is....
Most of my adult life, my livelihood has been tied to one or more of the diamonds of the Steelers logo: C🔶️al,  Ir♦️n Ore  and Scr🔷️p Steel .
It doesn't mean I haven't been known to root for that poet Poe and his 🙂 🐓🐓 yardbirds from time to time.