The pitcher's family said they were "shocked" after a coroner's report showed he had a mix of alcohol, fentanyl and oxycodone in his system when he died.
"All I do is think about him," the superstar said of playing after the death of his 27-year-old teammate.
Angels superstar Mike Trout called Skaggs, who died suddenly in a hotel room, a great teammate and friend. "We love you."
The team's game against the Texas Rangers has been canceled.