8 Rookie Debuts In Sep 2025 That Surprise Fans – Here’s What Changes Next

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By: Jessica Morrison

Fans felt shock as 8 rookies shined in Week 1. Why it matters now: those debuts already reshaped depth charts and fantasy tiers for 2025. Several players posted eye-popping stats or game-changing plays that forced coaches into quick decisions. If you care about starts, waivers, or who sees more snaps, this list will change your Week 2 thinking – are you ready to act?

Why these 8 Week 1 rookies could reshape lineups and fantasy this season

  • Tyler Warren caught seven passes and set a Week 1 rookie tight end mark, forcing Colts game plans.
  • Emeka Egbuka scored 2 touchdowns and pushed Tampa Bay’s receiving pecking order.
  • RJ Harvey hit 20.43 mph on a 50-yard run, marking explosive speed on tape.
  • Will Johnson defended multiple passes and limited targets to 32 yards vs. the Saints.

The 8 rookies whose Week 1 debuts you should track closely now

1 – Colts TE Tyler Warren: Why seven catches changed early TE rankings

Tyler Warren hauled in 7 catches for 76 yards in his debut, a Week 1 rookie tight end record. If you drafted a TE late, Warren is suddenly a startable asset this season. Short scan: biggest rookie tight end start.

2 – Panthers WR Tetairoa McMillan: How one connection with Bryce Young stood out

Tetairoa McMillan led Carolina with 68 receiving yards and flashed chemistry with Bryce Young on multiple targets. Expect more targets next week if the Panthers stay competitive. Quick note: watch his snap share.

3 – Cardinals CB Will Johnson: Why one coverage night makes him a breakout candidate

Will Johnson allowed 32 yards and broke up 3 passes while showing physicality and instincts.

This kind of debut can force more coverage snaps and quicker trust from defensive coordinators. Reader tip: monitor his matchup snaps.

4 – Buccaneers WR Emeka Egbuka: Why two long TDs turned heads immediately

Emeka Egbuka scored 2 long touchdowns and finished with 67 yards, stepping up amid injuries. That performance vaults him into immediate fantasy consideration for managers hunting receiving upside. Short scan: boom or bust upside.

5 – Broncos RB RJ Harvey: Why a 50-yard burst signals big-play upside

RJ Harvey averaged 11.7 yards on carries and reached 20.43 mph on a 50-yard run, showcasing elite burst. Even with limited volume, that explosiveness makes him a weekly watch for coaches. Quick note: special-play threat.

6 – Lions WR Isaac Teslaa: Why one spectacular catch put him on highlight reels

Isaac Teslaa’s one-handed touchdown grab was a viral moment and showed his contested-catch ability under pressure. That highlight can earn more targets and special teams trust. Reader prompt: did you miss his tape?

7 – Browns LB Carson Schwesinger: Why eight tackles made him a defensive focal point

Carson Schwesinger led Cleveland with 8 tackles and earned top PFF grades in Week 1 for his instincts.

Expect the Browns to keep feeding him role snaps in obvious run situations. Short scan: tackling machine.

8 – Eagles LB Jihaad Campbell: Why late-first-round fall already looks like a steal

Jihaad Campbell graded out among the game’s best, breaking up passes and flashing sideline-to-sideline range. The Eagles’ defense just added a high-impact rookie who can influence snap distributions. Quick take: top defensive rookie to watch.

The key Week 1 figures that show why these rookies matter in 2025

KPI Value + Unit Change/Impact
Rookie record TE catches 7 catches New Week 1 benchmark for rookie TEs
Longest rookie TDs 2 TDs Multi-TD rookie receiving games this week
Top rookie speed 20.43 mph Second-fastest RB play for Broncos since 2024

Rookie Week 1 shows 7 standout plays pushing teams to adjust rotations.

What will these Week 1 rookies do next to change 2025 outcomes?

Coaches already adjusted snaps and game plans after Week 1 – that’s immediate consequence for depth charts and fantasy rosters, and 8 names just jumped into contention. Expect more volume shifts, early-season waiver claims, and defensive game-planning focused on these rookies. Which one will keep trending – and who will be a short-term headline only?

Sources

  • https://www.si.com/nfl/best-rookie-performances-from-week-1-eight-players-that-shined-in-nfl-debuts
  • https://www.si.com/nfl/four-under-the-radar-rookies-who-could-make-immediate-impact-2025-season

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