The Orioles are bringing back “O’s Days at Chick-fil-A” for the2016 season. On four selected days, participating Chick-fil-A stores in the Baltimore area will give free chicken sandwiches to customers wearing Orioles-branded apparel.The deal starts on Opening Day (April 4) and will also occur June 6, Aug. 22 and one “Surprise O’s Day.” The free sandwicheswill be available from 11 a.m. to7 p.m.http://www.baltimoresun.com/features/deals-shopping/bal-orioles-…