Orioles acquire RHP Feldman from Cubs
Feldman signed a one-year contract with the Cubs and went 7-6 with a 3.46 ERA in 15 starts this season. He is 46-50 with a 4.66 ERA in 219 major league games over nine seasons.
Arrieta is 20-25 with a 5.46 ERA in 69 major league appearances over the last four seasons with Baltimore (2010-13). Strop was 5-2 with three saves, 24 holds and a 2.44 ERA last season. He has battled a back strain this year, going 0-3 with a 7.25 ERA.