Angels general manager Billy Eppler said Friday that tests on Andrew Heaney's left elbow "ranged from normal wear and tear consistent with age and usage to some degree of tear."
Yahoo Sports' Jeff Passan reports that Andrew Heaney has damage to his left ulnar collateral ligament.
Andrew Heaney (arm) will be given a platelet rich plasma injection.
Andrew Heaney will seek additional opinions regarding his left flexor muscle strain.
Andrew Heaney (flexor strain) underwent a follow-up MRI on Monday, which showed no further injury.
Angels manager Mike Scioscia said Tuesday that Andrew Heaney has "plateaued" in his recovery from a left flexor muscle strain.
Angels GM Billy Eppler said that the team plans on resting Andrew Heaney (left flexor muscle strain) for two weeks.
Angels placed LHP Andrew Heaney on the 15-day disabled list with a left flexor muscle strain.
Andrew Heaney yielded four runs on seven hits over the course of six innings during Tuesday's loss to the Cubs.
Andrew Heaney delivered four innings of one-run ball Sunday in the Angels' win over the Rangers.
Andrew Heaney delivered three innings of one-run ball Tuesday afternoon against the Mariners.
Andrew Heaney tossed two scoreless frames in his Cactus League debut Thursday against the Diamondbacks.
Andrew Heaney was scratched from his scheduled Cactus League start on Saturday due to illness.
Andrew Heaney lost to the Rangers after allowing four runs in 4 1/3 innings Thursday.