![Chicago Bears Linebacker Khalil Mack (52) looks on during training camp at Halas Hall, Monday, August 16, 2021, in Lake Forest, Illinois. (Melissa Tamez/Image of Sport/Sipa USA Stock Photo - Alamy Chicago Bears Linebacker Khalil Mack (52) looks on during training camp at Halas Hall, Monday, August 16, 2021, in Lake Forest, Illinois. (Melissa Tamez/Image of Sport/Sipa USA Stock Photo - Alamy](https://c8.alamy.com/comp/2GE70XM/chicago-bears-linebacker-khalil-mack-52-looks-on-during-training-camp-at-halas-hall-monday-august-16-2021-in-lake-forest-illinois-melissa-tamezimage-of-sportsipa-usa-2GE70XM.jpg)
Chicago Bears Linebacker Khalil Mack (52) looks on during training camp at Halas Hall, Monday, August 16, 2021, in Lake Forest, Illinois. (Melissa Tamez/Image of Sport/Sipa USA Stock Photo - Alamy
![Helmet Stalker on X: "Bears DE Khalil Mack is now using a Schutt F7, he previously used a Schutt Air XP while with the Raiders. https://t.co/rWm64rBd7I" / X Helmet Stalker on X: "Bears DE Khalil Mack is now using a Schutt F7, he previously used a Schutt Air XP while with the Raiders. https://t.co/rWm64rBd7I" / X](https://pbs.twimg.com/media/DmWHt0mW4AAZYrK.jpg)
Helmet Stalker on X: "Bears DE Khalil Mack is now using a Schutt F7, he previously used a Schutt Air XP while with the Raiders. https://t.co/rWm64rBd7I" / X
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