The 2021 Pittsburgh Steelers learned a tremendous amount about the intestinal fortitude of their roster during their valiant comeback attempt that sadly fell just a little short against the Los Angeles Chargers on Sunday Night Football. They also received confirmation on a few questions where they already knew the answer.
This team is long on potential, but short on proven experienced depth. The short and long term injuries, plus COVID issues recently, have exposed their weaknesses exponentially. It reveals just how much this team relies on it's proven superstar performers.
This is a common occurrence around the NFL actually.