Shaun Albin analyzes which defenses (DEF) to sit or start in Week 4 (2025) of the NFL season, and provides his best fantasy football streaming options.

Finding the right defense to stream each week can be just as important as nailing your skill-position starters. Fantasy defenses are highly matchup-dependent, and with several teams already showing weaknesses on offense, there are exploitable spots for managers to take advantage of in Week 4.

This week’s streaming slate offers a mix of opportunistic defenses and vulnerable opposing quarterbacks. Injuries, young quarterback growing pains, and uneven offensive line play have created prime opportunities for fantasy points through sacks and turnovers. By targeting the right matchups, managers can squeeze value from defenses that may otherwise

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