Basketball legend Shaquille O’Neal sparked concerns about

health on Sunday when he tweeted a photo of himself from a hospital bed.

O’Neal's tweet was addressed to NBA broadcaster Ernie Johnson

d WNBA superstar Candace Parker,

both of whom are taking part in March Madness coverage on various TV channels.

However, what O’Neal was doing in the hospital was troubling for

fans of the former Los Angeles Lakers star.

While prayers were up for the big man,

Awful Announcing’s Ken Fang relayed the message Johnson said during

Johnson said O’Neal was having hip replacement surgery.