Carolina Panthers stock up, stock down: A surprise riser, one major red flag + more

In this story:
That's it, folks. The preseason action is in the books as the Carolina Panthers fell to the Pittsburgh Steelers, 19-10, to cap off a winless month. Now, the coaching staff and front office will take the next few days to evaluate the roster to prepare for next week's roster cuts.
Here is the week's version of stock up, stock down.
Stock down: QB Jack Plummer (The red flag)

Plummer looked out of sorts last week in Houston, and that carried over into this week's game against Pittsburgh. Most of his completions were at or behind the line of scrimmage, finishing the night with yards per attempt of 6.5. He threw a hospital ball to Hunter Renfrow and also threw a pick in the first half. With Andy Dalton on the shelf and Plummer's struggles, the Panthers' QB situation beyond Bryce Young is far from ideal.
Stock up: RB Trevor Etienne

Another rock-solid outing for the rookie running back, who continues to prove his worth in not only the ground game but the return game as well. He returned one punt for 10 yards and one kick for 18 yards, while also rushing for 26 yards on three carries. Raheem Blackshear may have more experience, but Etienne is best suited to be RB3 on this roster.
Stock up: WR Brycen Tremayne

This may be a first. I don't think I've ever included a player in these stock watch articles that didn't play in the game, but here we are. Tremayne was a healthy scratch for this one, which could indicate that he is making the 53-man roster or perhaps the Panthers don't want others to get another game of film on him and pick him up on waivers after being cut. Either way, I believe this has to be a good sign for Tremayne following his three catch, 46-yard performance a week ago.
Stock up: S Lathan Ransom

Although Ransom's spot on the 53 is secure, his role on the defense isn't. Personally, I think he should be the starter opposite of Tre'von Moehrig, but he's still competing with Nick Scott and Demani Richardson. Tonight, he showed he doesn't mind sticking his nose in there on the run game and muddying things up. That physicality is something he's always been known for, but it's good to see it show up in a game.
- Enjoy more free Panthers coverage with Carolina Panthers on SI -
Panthers record projection revealed, including win vs. Super Bowl contenders
Panthers-Chargers trade proposal brings long-lost QB back to Carolina
ex-Panthers coach Frank Reich opens up on relationship with Bryce Young
Panthers predicted to pair Derrick Brown with Clemson superstar in draft

Schuyler Callihan is the publisher of West Virginia On SI and has been a trusted source covering the Mountaineers since 2016. He is the host of Between The Eers, The Walk Thru Game Day Show, and In the Gun Podcast. The Wheeling, WV native moved to Charlotte, North Carolina in 2020 to cover the Charlotte Hornets and Carolina Panthers.