Orioles Designate Alberto Castillo For Assignment

The Orioles designated Alberto Castillo for assignment to make room for Jake Arrieta, according to the team. Castillo, a 34-year-old left-hander has a 10.13 ERA in 14 games this year with 9.3 K/9 and 5.1 BB/9. The sample size is small, but that's more walks or strikeouts per nine than Castillo has ever posted in his three-year Baltimore career.