The 49ers had a real chance to chase Khalil Mack at the trade deadline, but they ultimately passed on the veteran edge rusher for one simple reason: the price in draft capital was too steep.
San Francisco was reportedly one of the teams most interested in Mack, yet the front office chose not to push chips in when it came time to make a deal. That decision appears tied to the team’s desire to see how its current edge rotation develops before making a move that could reshape the room.
Nick Bosa’s return in Week 9 was part of that equation. He had missed time since Week 2, and while his first game back didn’t produce a massive splash, the 49ers were always going to need a little patience. Bosa finished with two pressures.
The biggest loser in a Mack deal likely would have been Mykel Williams. The former first-round pick, taken 11th overall last year, tore his ACL as a rookie and has already shown signs of life since coming back, including a sack in his second game back. He has played in only four games and is just 22 years old, which is a big part of why San Francisco is willing to keep investing in him.
Romello Height would have been squeezed too. The third-round rookie has had his share of uneven moments as a pass rush specialist, but he has also flashed with 11 pressures in his first season. Adding Mack would have pushed him from a third rusher role toward potential game-day inactivity.
That’s the kind of ripple effect the 49ers wanted to avoid. Bringing in Mack would have meant slowing the development of two young defensive linemen, and the team wasn’t interested in paying a heavy draft pick price to do that.
There’s also the matter of Keion White. Strip away the name recognition and the résumé, and the production is close enough to make the decision even more understandable.
White has 20 pressures and 3.5 sacks on 217 pass rush snaps this season, along with ten stops against the run. Mack has 19 pressures and three sacks on 191 pass rush snaps, plus 11 run stops.
Mack is 35. White is about to be 28.
Their contract structures are similar, and the 49ers know exactly how White fits into their defense. That mattered.
They didn’t feel compelled to force him out during one of his better seasons just to make room for a bigger name.
The edge rusher group has been banged up all year, and Height has been inconsistent as a rookie, so the need is obvious on paper. But San Francisco is already carrying two veterans, including a star, along with two young pieces, including a high-end draft pick. In the end, the 49ers decided not to add Mack.
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What makes the situation more delicate is the learning curve waiting for Allen once he gets in the building. Lynch and Kyle Shanahan both acknowledged how difficult it can be to absorb the 49ers playbook on the fly, so the team has already added extra meetings to help him get ready for upcoming games. It is the kind of adjustment San Francisco has had to make before, but this one comes with the added pressure of an injury picture that is still shifting around him. [Read more 🡒]