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Preseason grades are in — which rookies actually improved their shot at a 53-man roster?

The final preseason produced A-grades for high-profile rookies and surprising undrafted standouts. But grades aren’t the final vote: roster math, special-teams need and trade/waiver mechanics will decide who’s

By SLAM Intel Desk · 4 min read · Updated Aug 31, 2026, 5:05 PM EDT

Lede: Grades don’t equal guarantees

The preseason finished and the grading dust has settled: a handful of rookies earned A’s and several undrafted signings popped off the tape. But an A in a Week 3 boxscore is only an opening argument to make a 53-man roster, not a closing brief. The post-preseason conversation should be less about applause and more about roster math — who fills a special-teams role, who’s expendable, and who becomes a trade- or waiver-market asset.

Who actually helped their chances

Two threads ran through the reporting: established draft picks who flashed and longshots who made themselves hard to ignore. Rams rookie and early draft pick Ty Simpson left the preseason with clear momentum; multiple outlets singled him out as one of the higher-graded rookie quarterbacks. That kind of film gives a team confidence to keep a younger QB as a developmental backup or to use him as trade bait if depth decisions get tight.

On the other end of the ledger, the NFL’s official Week 3 grades highlighted undrafted performers — examples include Texans defensive end Sabastian Harsh — whose special-teams chops or burst on obvious passing downs make them comparatively low-risk roster additions. Those players trade pedigree for a clear, narrow path onto the roster: contribute on special teams or provide third-down juice on defense/speed in the return game.

Why team needs and roster mechanics matter more than the letter grade

An 'A' doesn’t automatically buy a spot. Teams decide 53-man rosters with an eye on salary, veteran roster protection, special-teams competency and the probability a waived player will clear. For example, a rookie punter who consistently pins opponents inside the 20 becomes more valuable because he directly changes field position on every opponent drive — yet that value competes with experience and the cost of a roster spot.

Similarly, a backup QB who graded well in preseason only stays if the club wants developmental upside behind its starter and believes the player would survive waivers. If not, that QB might be easier to stash on a practice squad or trade for later. Those are judgment calls the grades can influence but not decide.

Cutdown-day watchlist: three realistic paths

1) The make-or-stay types: rookies whose skill sets match immediate special-teams or niche-package needs (edge rushers, return specialists, punters) — they have the clearest path to a 53-man roster. 2) The trade/claim candidates: higher-graded draft picks who look like long-term answers but clash with roster construction; teams sometimes trade them or risk exposing them to waivers. 3) The practice-squad developmental pieces: players with upside but unclear Week-1 utility. They may have earned high grades but will likely be stashed unless a roster spot opens.

Names to monitor this cutdown cycle include Ty Simpson (upside and draft pedigree), undrafted specialists who graded highly in Week 3 (players like Sabastian Harsh), and any high-performing special-teams contributors the NFL grades flagged.

SLAM Explains

The complicated part, made simple.

How preseason performance actually affects roster outcomes

Preseason grades are snapshots — useful signals but not final verdicts. Teams consider positional need, special-teams value, contract status and waiver risk when constructing the final 53. High preseason grades help a player's case for a roster spot or give them leverage to draw trade interest or guaranteed practice-squad placement.

Why it matters here

Understanding these mechanics tells you whether an 'A' in a preseason boxscore means playing time in Week 1, a practice-squad landing spot, or just extra attention during the waiver period.

53-man rosterpractice squadwaiversspecial teamscutdown day

Sources and attribution

  • NFLPublished Aug 31, 2026, 2:07 PM EDT

    Reporting attributed to NFL.

  • CBS SportsPublished Aug 29, 2026, 9:08 PM EDT

    Reporting attributed to CBS Sports.

  • Yahoo SportsPublished Aug 31, 2026, 2:32 PM EDT

    Reporting attributed to Yahoo Sports.

How this was built: SLAM Intel uses automation to monitor official reporting and assist drafting. Every publication must clear deterministic source, freshness, originality, language, and factual-consistency gates before it can publish.

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