“A Legend… got an NIL deal for this kid. Tag his X for me.”
Du hails from Beijing and attended high school in California before joining Notre Dame as a walk-on.
He has not appeared in a game this season.
Notre Dame’s jerseys do not usually have players’ names on the back, but the Fighting Irish have opted to do so for their two College Football Playoff (CFP) matchups.
Du’s jersey Thursday highlighted his heritage.
Brown, who starred for the Steelers and also played for the Patriots and Buccaneers, has developed a reputation in his post-playing days for making controversial comments on X.
Notre Dame’s win Thursday over second-seeded Georgia secured a spot in the CFP semifinal opposite Penn State, which triumphed over Boise State in its quarterfinal clash.
The Fighting Irish previously defeated Indiana, 27-17, in the first round.
Notre Dame has since opened as a 1.5-point favorite at DraftKings over the Nittany Lions for their Jan. 9 clash in the Orange Bowl in Miami Gardens, Fla.