with Vic Fangio and the Chicago Bears defense https://www.49ersfanshop.com , but this weekend’s matchup brings a particularly familiar name, edge rusher Khalil Mack.At the end of training camp, the Bears swung a deal with the Oakland Raiders to acquire Mack. They sent over first-round picks in 2019 and 2020, a third-round pick in 2020, and a sixth-round pick in 2019 to acquire Mack, a 2020 second round pick, and a conditional fifth-round pick in 2020. Mack had been holding out for a new contract, and upon completing the trade San Francisco 49ers Customized Jerseys , he signed a six-year, $141 million deal.Since then, we’ve heard several times that the 49ers might have offered the same if not more than the Raiders. In November, general manager John Lynch said, “I continue to think we offered a better deal than Chicago.” On Wednesday, head coach Kyle Shanahan was asked to follow up on Lynch’s old comments. Shanahan said, “I think you’d have to ask the Raiders. But, it takes two teams to get it done and we went as hard as we could on it.”Bears head coach Matt Nagy knew there were rumors flying around about who was interested San Francisco 49ers T-Shirts , but as he put, “You never know 100 percent when you’re right in the middle of it because there’s so many different rumors that fly around. We were just concerned about what we could control, and making sure that we did everything we possibly could to get him.”The Bears did everything they could and it was enough to add the game-changing pass rusher. The Bears defense had shown improvement in recent years, but adding a presence like Mack has put them over the top. They now have the best defense in football, and while they’ve added plenty of parts to it, Mack is the true difference-maker.Earlier this week, I asked Windy City Gridiron writer Jeff Berckes for his thoughts on Mack. I asked him if there are any regrets based on the draft capital involved, what he’s meant to the defense https://www.49ersfanshop.com/hats , and if he has shown any areas of weakness the 49ers could explot. Bet you didn’t see that coming"There have been plenty of lists going around that involve the San Francisco 49ers. It’s not interesting to talk about the defensive rookie of the year because it’s no surprise Nick Bosa is the favorite. He was the first defensive player selected in the 2019 NFL Draft. You’ll also see Deebo Samuel on just about every offensive list, which is cool. Samuel was also one of the first few skill players selected, so that’s not terribly surprising. Add in the fact that Kyle Shanahan is his coach, and it’s easy to see why people are high on Samuel. Those are boring to talk about.Here’s an obscure list that might raise some eyebrows. MMQB recently made a list called the “all-undrafted team.” So it’s the best players who were signed as undrafted free agents. Only one 49ers player made the list, and I bet you would not have guessed it was QB Nick Mullens. Here’s what they said about Mullens:Holy hyperbole!One of the least talked about training camp battles is Mullens against C.J. Beathard. To me, there’s not much of a competition. Mullens was thrown into such a rough spot last year and for him to compete the way he did was impressive. I have a tough time finding what Beathard does better on a consistent basis. I’m assuming the writer meant that the 49ers should try and flip Mullens for a draft pick? I’m not holding my breath on him becoming the next Romo, but Mullens was pretty solid given his situation in 2018.