By Matt Hladik The Los Angeles Chargers made their own power move in the AFC West arms race today, trading for Chicago Bears pass rusher Khalil Mack. The Chargers are obviously hoping Mack can team up with Joey Bosa to wreak havoc in a division that includes Patrick Mahomes, Derek Carr and the newly-acquired Russell Wilson at quarterback. Even LA’s offensive players are pumped about the move. Star wide receiver Keenan Allen tweeted a message shortly after news of the deal broke. “Scary hours,” Allen wrote. Mack was hampered by injuries and limited to seven games in 2021, but still recorded six…