The Chargers retain two quarterbacks on their 53-player roster.
Tom Pelissero of NFL Media reports that the team has waived rookie Max Duggan, a seventh-round pick.
If Duggan clears the waivers, it is possible that the Chargers will sign him back to their practice squad.
His departure leaves Easton Stick as the only quarterback behind starter Justin Herbert.
Duggan appeared in two of the team’s three exhibition games and completed 6 of 12 passes for 34 yards, one touchdown and no interceptions. He was fired three times.
Duggan won the Davey O’Brien Award as the best quarterback in college football last season, finished second in Heisman Trophy voting and was the Big 12 Offensive Player of the Year. He led TCU to the College Football National Championship Game, losing to Georgia at SoFi Stadium.
The Chargers also drafted two of his TCU teammates, wide receivers Quentin Johnson and Derius Davis.