Just how bad was the Giants play at right guard alone yesterday: Marcus McKethan (14 pass block snaps) and Jalen Mayfield got a 0.0 PFF pass blocking grade after McKethan was injured.
— Jordan Raanan (@JordanRaanan) October 9, 2023
Mayfield was tied for 50th out of 50 qualifying guards this week with a pass block win rate of…