NFL teams are gearing up for the preseason with the Chicago Bears, Las Vegas Raiders, and New England Patriots all preparing for their respective matchups. The Bears made a notable appearance on HBO's 'Hard Knocks' and are set to face the Buffalo Bills next. The Raiders, under new head coach Antonio Pierce, are in a quarterback competition between Aidan O'Connell and Gardner Minshew, with both set to split reps in their upcoming game against the Minnesota Vikings. The Patriots, now led by head coach Jerod Mayo, will see Jacoby Brissett start as quarterback in their preseason opener against the Carolina Panthers. Meanwhile, the Los Angeles Chargers are dealing with an injury to key player Joey Bosa during their training camp. High school football teams in various regions are also kicking off their fall camps, with seasons set to start soon.