Scream got lower back pain?

He ware his pajama pants
last time he playing with that pants on official match , he said he's got lower back pain all night long.
And after this set scream's walking looks very weird.

He ware his pajama pants
last time he playing with that pants on official match , he said he's got lower back pain all night long.
And after this set scream walks looking very weird.

CLIP ?

source?