Frostad added that the condition could affect Trout’s long-term prospects.
“We have to look at that as something he has to deal with, not just for the rest of this season, but for the rest of his career probably,” he said, according to MLB.com.
Following those comments, Trout himself spoke to reporters after the Angels’ 4-0 win over the Kansas City Royals on Wednesday night to clarify the news and downplay its seriousness.
“I appreciate all prayer requests, but my career isn’t over,” the 10-time All Star said, according to the Orange County Register.
Trout left a game against Houston on July 12 with back spasms and was listed on the disabled list a week later with inflammation of the rib cage before the underlying condition was diagnosed.
He pulled out of the All-Star Game and received a cortisone injection last week, but will be out of practice for at least a week.
“The last two days have been huge stages. I’m thrilled with how it’s going. I’m happy with it,” added Trout.
Although he hopes to return this season, Trout acknowledged he will need to “stay on top of a routine” to manage the condition.
It marks a setback for the game’s second-highest-paid player in his comeback season in which he hit .270 with 24 home runs and 51 RBIs in 79 games, following a calf injury that left him forced him to miss much of last year.
Trout has another appointment with the doctor on Sunday.
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