Conversation so far:
what is the famous photo in question?
A photo of a dazed Tittle in the end zone taken by Morris Berman of the Pittsburgh Post-Gazette on September 20, 1964.
what is special about it?
Tittle, in his 17th and final season, was photographed helmet-less, bloodied and kneeling immediately after having been knocked to the ground.
who was he knocked by?
John Baker of the Pittsburgh Steelers.
why was he bloodied?
He suffered a concussion and cracked sternum on the play, but went on to play the rest of the season.
was the photo published in all the papers?
Post-Gazette editors declined to publish the photo, looking for "action shots" instead.
so how did it become famous?
Berman entered the image into contests where it took on a life of its own, winning a National Headliner Award.
was the photo then published by any news houses?
The photo was published in the October 2, 1964, issue of Life magazine.
who else published it?
It became one of three photos to hang in the lobby of the National Press Photographers Association headquarters.
what did he say of the photo?
Tittle eventually grew to embrace it, putting it on the back cover of his 2009 autobiography.

Question: what else is interesting about it?
Self-contained rewrite: what else is interesting about the photo other than Tittle putting it in the back cover of his autobiography?