Original tweet from diem:
https://twitter.com/diem_ow/status/1219160259589050368
Dot esports article summing up what has happened:
https://dotesports.com/overwatch/news/diem-likely-to-miss-overwatch-league-opener-due-to-a-health-issue
Statement from Dot esports explaining what happened to Diem:
Diem calmed his anxious fans and explained he’s recovering from a pneumothorax (collapsed lung). This condition is considered life-threatening and many fans are relieved to hear that he’s in stable condition.
Discord