Just how big was Arch Manning's Texas commitment this week? Former UT superstar Jamaal Charles said he and other Longhorn legends straight-up had a celebration over it in a group chat!!
The ex-running back tells TMZ Sports ... in the hours after Manning made the pledge on Thursday, his GC with Vince Young, Brian Orakpo and Chris Ogbonnaya went off.
"Anybody that went to UT that played ball, they lying if they say they ain't happy right now," said Charles, who starred at the university in the mid-2000s.