The Pirates placed pitcher Chris Jakubauskas on the disabled list this morning, after he was hit in the head by a Lance Berkman comebacker last night. Jakubauskas was released from the hospital after being diagnosed with a head contusion and concussion. The Pirates also optioned Daniel McCutchen to Triple-A, and called up Brian Burres and Brian Bass. To make room on the 40-man roster for Bass, minor league outfielder Brandon Jones was designated for assignment. Jeff Karstens also may be brought up from Triple-A to start on Tuesday. Karstens is not currently on the 40-man roster.