Jaylen Warren start 'em, sit 'em fantasy football picks for Week 1 of 2025. Should you start or sit Jaylen Warren for fantasy football lineups in Week 1?

BALLER MOVE : Start in 12-team leagues

POSITIONAL VALUE : High-floor RB2

ANALYSIS : On Monday morning, the Pittsburgh Steelers announced that they extended running back Jaylen Warren to a two-year extension. Warren initially signed a one-year deal earlier in free agency but will now remain in Pittsburgh for the foreseeable future.

However, despite the extension, Warren may not be viewed as the clear RB1 in Pittsburgh for long. In the 2025 NFL Draft, the Steelers selected one of the top running back prospects, Kaleb Johnson , out of Iowa. Johnson will likely replace Najee Harris , who signed a one-year deal with the Los Angele

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