Sullivan (shoulder) began a rehab assignment with Triple-A Albuquerque on Thursday, striking out four while yielding one run in 1.2 innings.
Feltner (5-10) allowed four runs on six hits and one walk while striking out two batters over five innings in a loss to the Yankees on Thursday.
Hader struck out one in a clean ninth inning to earn the save Thursday against the Phillies.
Moniak is not in the lineup for Thursday's contest versus the Yankees.
Javier took a no-decision Thursday against Philadelphia, allowing one run on three hits and one walk in six innings. He struck out five.
Ullola will serve as the opening pitcher during Friday's game against the Rays, Matt Kawahara of the Houston Chronicle reports.
Norby went 2-for-3 with a double and a solo home run Wednesday against the Rockies.
Paredes went 2-for-4 with a three-run home run in Wednesday's 11-7 loss to Philadelphia.
Brown took a no-decision against the Phillies on Wednesday, allowing five runs (four earned) on seven hits and no walks in five innings. He struck out seven.
Sugano (12-9) took the loss against the Yankees on Wednesday, allowing five runs on four hits and three walks in six innings. He struck out five.
