Huston Street has been diagnosed with an oblique strain and is headed for the disabled list.
Huston Street was unavailable Wednesday due to discomfort in his left side.
Huston Street pitched a scoreless inning in his spring debut Thursday against the Diamondbacks.
Huston Street (calf) will face simulated hitters on Tuesday.
Huston Street made a simulated appearance Monday morning in Angels camp.
Huston Street has been diagnosed with a Grade 1 groin strain and will miss at least the rest of the regular season.
Huston Street left Saturday's game against the Mariners with a groin injury.
Huston Street ran into more trouble Wednesday against the Astros but was able to secure his 40th save.
Huston Street encountered some trouble Tuesday but escaped unharmed to earn his 39th save in a win over the Astros.
Huston Street earned his 33rd save of the season in Wednesday's 3-2 win over the Dodgers, pitching a perfect ninth inning.
Huston Street got the final four outs to pick up his 30th save in Tuesday's 8-7 win versus the Tigers.
Huston Street needed 22 pitches, but set the White Sox down in order in the ninth inning to close out Tuesday's 5-3 victory.
Huston Street worked a 1-2-3 ninth inning for his 27th save in Monday's 2-1 victory over the White Sox.
Huston Street could be unavailable to pitch Wednesday, as he's with his wife while she gives birth.