McNally may not be as well-known as other NFL pioneers, but his legacy includes instant replay and other advancements.
Why Art McNally will be the first official enshrined in the Pro Football Hall of Fame
![](https://a.espncdn.com/photo/2022/0615/r1025568_1296x864_3-2.jpg)
McNally may not be as well-known as other NFL pioneers, but his legacy includes instant replay and other advancements.