The Pirates today optioned left-handed reliever Justin Thomas back to Class AAA Indianapolis to make room in the bullpen for recently acquired Chan Ho Park.

Park arrived late at PNC Park late Thursday night and will be available to pitch tonight.

Looking for more from the Post-Gazette? Join PG+, our members-only web site. You'll get exclusive sports content, opinion, financial information, discounts from retailers and restaurants, and more. Our introduction to PG+ gives you all the details.