Bears QB Mitch Trubisky: facing dominant defense ‘a challenge every single day’

Brian O’Mahoney/For the Sun-Times Bears quarterback Mitch Trubisky throws during Saturday’s practice at Olivet Nazarene University.BOURBONNAIS — Matt Nagy wanted Mitch Trubisky to take chances at this time last year — to not be afraid to make mistakes or throw interceptions during training camp practices.

“Bombs away, be aggressive, take lots of shots, and I love that,” Trubisky said Thursday, when the team checked into Olivet Nazarene University. “But I’ve kind of figured out over the last year in this offense when is the right time to do that and when we need to take care of the football.”

That’s what happens in Year 2.

“Taking care of the football will be more of an emphasis this camp,”…