The best defensive teams in Madden 23 are the Buffalo Bills, Los Angeles Rams, and Pittsburgh Steelers. The Bills and Rams are tied for the top spot with an 88 overall defense rating, while the Steelers follow closely behind with an 87 overall defense rating. These teams have standout players in key defensive positions, such as T.J. Watt for the Steelers, Von Miller for the Bills, and star players for the Rams, making them formidable choices for players looking to excel in defense in Madden 23. Additionally, the New England Patriots defensive playbook is highlighted as a strong choice for utilizing effective defensive formations in the game.