The creator of the Gif graphics format has said that his invention should be pronounced so it starts with a "j" rather than with a hard "g".
BBC: Webby Awards
2.
Out of curiosity, I ran down a few other A.G.s in the NFL without much luck: Andrew Gackhar (LB for the San Diego Chargers), Adam Gettis (G for the Washington Redskins), A.J.
FORBES: Former NFL Star Pleads Guilty In Tax Fraud Case