At 9-under 133, Campbell Jr. holds a two-shot lead over Purdue's Herman Sekne and his Oklahoma teammate and co-first-round leader Ben Lorenz.
Campbell Jr. was just 1-under after his first 11 holes on Friday before catching a heater down the stretch. Aided by an eagle on the par 4 14th hole, Campbell Jr. played his last seven holes at 5-under par to turn in the lowest round of the day which vaulted the Richmond, Texas native six spots up the leaderboard into first place.
The final round of the 2022 Patriot All-America Invitational will be contested on Saturday.
