Mateer has been in the spotlight plenty this offseason, as one of the projected top-tier quarterbacks in America this year.

The Sooners' new quarterback has demanded high standards from Oklahoma's offense since arriving in Norman this past winter.

Oklahoma Sooners QB John Mateer has reportedly denied any involvement in sports gambling after Venmo screenshots popped up.

Oklahoma starting quarterback John Mateer, after screenshots of past references to "sports gambling" on his Venmo account ...

New Oklahoma quarterback John Mateer has found himself in the midst of controversy, as screenshots of questionable Venmo ...

John Mateer issued a statement denying sports gambling claims after viral Venmo transactions from his time at Washington ...

Oklahoma quarterback John Mateer faces an investigation for alleged sports betting activity. Per ESPN's David Purdum, ...

Oklahoma quarterback John Mateer responded to screenshots of his public Venmo account that appeared to imply he was betting ...

A Venmo account claiming to be Oklahoma quarterback John Mateer allegedly paid his college football teammate for "sports ...

🚨BREAKING🚨 Oklahoma QB John Mateer has allegedly engaged in sports betting, including on NCAA football games such as UCLA vs USC, according to Venmo transactions. NCAA rules prohibit athletes from ...

Quarterback John Mateer released a statement denying participation in any sports gambling after 3-year-old Venmo transactions ...

It's Mateer and Twitter now, but way back in 2008, Sam Bradford and Landry Jones were the targets of a malicious attack via message board.