The NFL scouting combine returns to Indianapolis this week after a year off because of COVID-19. New Chicago Bears general manager Ryan Poles and coach Matt Eberflus will be among the executives, coaches, agents, media and more than 300 prospects on hand as teams dive deeper into their offseason plans for the draft and free agency. Here’s what to know about the event, including a brief controversy, what should be on the Bears leaders’ minds and the schedule. The returnThe NFL canceled the scouting combine last year because of COVID-19, and teams instead conducted virtual interviews, put their …