The Kansas City Chiefs play their final preseason game on Thursday night. Fans will get a chance to see the backups in action as they host the Chicago BearsNext week, all NFL teams will need to be down to 53 players. Currently, about 90 players are on the Chiefs’ roster, so a lot of tough decisions need to be made. Special teams could be the place for young players to get their break.Head coach Andy Reid said this week the team is focusing on all of the positions. “When you look at it, we’re playing so many young guys,” Reid said. “I want to see where we’re at there. We didn’t block and tackle very well with that second and third group – both sides of the ball. I really want to give them more of an opportunity. Sometimes the ones, they get a lot of reps during camp practices.”The …