In 1973, the NFL standardized jersey numbers by position group, at which point the only players who were given single-digit uniform numbers were quarterbacks, punters and placeholders, but there was a catch -- no one was granted No. 0.
In 2021, rules changes led to greater flexibility with uniform numbers, but it wasn't until this spring that the NFL finally brought back No. 0 for everyone but offensive and defensive linemen.
Twenty-two players are currently set to wear zero in 2023, which is more than the total who wore it previously. According to Pro Football Reference, 19 players donned No.