Hader struck out one in a clean ninth inning to earn the save Thursday against the Phillies.
Ullola will serve as the opening pitcher during Friday's game against the Rays, Matt Kawahara of the Houston Chronicle reports.
Javier took a no-decision Thursday against Philadelphia, allowing one run on three hits and one walk in six innings. He struck out five.
Siri went 2-for-4 with a two-run home run in a 6-4 win over the Red Sox on Wednesday.
Guzman went 3-for-4 with a solo home run and an additional run scored Wednesday in a 6-4 victory over Boston.
Johnson (4-8) notched the win against the Red Sox on Wednesday, allowing three runs on five hits and one walk in six innings. He struck out five.
Neto went 2-for-3 with a three-run home run in Wednesday's 6-4 win over Boston.
Joyce earned the save against Boston on Wednesday, allowing one run on one hit and one walk in the ninth inning. He struck out one.
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.
Paredes went 2-for-4 with a three-run home run in Wednesday's 11-7 loss to Philadelphia.
