Orioles right-hander Jake Arrieta made a huge push toward solidifying his case for the team’s fifth starter spot on Thursday night, tossing six shutout innings against the Pittsburgh Pirates -- his third straight scoreless Grapefruit League outing -- at Ed Smith Stadium.
Arrieta hasn’t allowed a run over 14 2/3 innings in his past three spring outings. He allowed an unearned run in an exhibition start against Spain’s World Baseball Classic team in the outing before that stretch.
In five Grapefruit League outings, Arrieta has allowed just three earned runs and 11 hits, recording a 1.56 ERA with 16 strikeouts and eight walks.
“I think the one thing I need to clean up a...