I saw the press release when it was sent out; I even copied it and pasted it into a comment somewhere on Hogs Haven at the time:
August 1, 2018
REDSKINS MAKE ROSTER MOVES
RICHMOND, Va. – The Washington Redskins announced today that they have made the following roster moves:
The Redskins signed the following free agent:
The Redskins waived the following player:
OL Alex Balducci
I didn’t pay much attention to it. The bottom-of-the-roster churn during training camp usually doesn’t mean much to me — the 90th guy on the roster being changed out seems hardly noteworthy once camp is underway.