The A's acquired right-handed pitcher Brandon Bielak from the Astros in exchange for cash considerations on Friday. To make room on Oakland's 40-man roster, left-handed pitcher Easton Lucas has been designated for assignment.

Bielak was drafted by Houston in the 11th round in 2017 and has spent his entire career with the Astros. In five seasons in the Majors, he is 11-13 with one save and a 4.65 ERA, including 155 strikeouts and 85 walks in 191 2/3 innings pitched across 70 career appearances.

He has started 21 of those 70 career outings, and is 6-9 with a 4.50 ERA, averaging 4 2/3 innings per start. This season, he has a 5.71 ERA in 10 relief appearances with Houston, striking out nine and walking seven in 17 1/3 innings of work.

Lucas appeared in three games for the A’s this season, logging a 14.73 ERA in 3.2 innings of work. In 11 appearances with Las Vegas this year, he is 2-0 with a 2.87 ERA.