Aaron Rodgers' legendary secret language: How the Steelers' Google Doc of roughly 75 hand signals sets bar for NFL cat-and-mouse game

Yahoo Sports canvassed 17 players and 10 coaches across 11 NFL teams to better understand the chess game of hand signals for Rodgers and beyond. Their perspectives revealed a mosaic of strategies employed by offenses looking to control a game and defenses looking to neutralize threats.

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