Fantasy football playoffs have arrived, so you can't afford to make any more mistakes with your lineup. The good news is we're here to help with four under-the-radar players who could be worth a start in NFL Week 15.

Washington Commanders QB Marcus Mariota vs. New York Giants

Many fantasy managers need a fill-in quarterback after Indianapolis' Daniel Jones and Washington Jayden Daniels went down with injuries in Week 14. Look no further than Mariota, who's scored 23.26, 15.42 and 18.72 points in his past three starts.

Mariota couldn't ask for a better matchup, as the Giants rank 31st in the NFL in fantasy points allowed to QBs, 30th in points allowed per game (28.2) and 26th in dropback EPA per play (0.137). Fire him up as a top-12 option this week.

Pittsburgh Steelers RB Kenneth

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