Reed Mahoney has been released from the Maroons squad and will play for Parramatta against Newcastle on Sunday.
He was originally selected in the No.19 jersey for Queensland, and Eels coach Brad Arthur said on Saturday he would return to Origin camp following the game for the experience with the Maroons squad.
Meanwhile, Knights coach Adam O'Brien confirmed on Saturday that new signing Jake Clifford will make his first appearance for his new club against the Eels.
Mahoney to play, Ferguson to 'tidy up' his game: Arthur
Round 13 Late Mail
Knights v Eels, Sunday 4.05pm at McDonald Jones Stadium
Knights: Jake Clifford will start at five-eighth in his club debut after having played for North Queensland last weekend. Kurt Mann is at halfback.
Mat Croker and Jack Johns will make their NRL debuts off the interchange bench and Simi Sasagi is the 18th man. Connor Watson goes back to the bench and Jirah Momoisea was the last man omitted.
Phoenix Crossland and Gehamat Shibasaki were left out 24 hours before kick-off.
Veteran prop David Klemmer entered an early plea to his careless high tackle charge and will spend two weeks on the sideline.
Sauaso Sue replaces Klemmer in the front row while Jacob Saifiti takes over from twin brother Daniel as the other prop and Brodie Jones has received the nod to take Tyson Frizell's place in the second row.
The Knights have won four from six at McDonald Jones Stadium this season.
Eels: Parramatta will start 1-17 with Reed Mahoney to play at hooker after being released from the Maroons camp. Makahesi Makatoa will be 18th man.
Five-eighth Dylan Brown and prop Reagan Campbell-Gillard return from suspension, with Oregon Kaufusi going to the bench and Jakob Arthur sliding back to the reserves, while Marata Niukore replaces Blues bench forward Junior Paulo in the front row.
Haze Dunster has earned a recall for his first start of the season, and third appearance, in place of veteran winger Blake Ferguson who has been dropped.
Utility Will Smith (thumb) reclaims the No.14 jersey in his comeback from injury.
Joey Lussick and Jakob Arthur dropped off the reserves list on Saturday.
Eels halfback Mitchell Moses requires six points for 800 points in the NRL.
Indigenous Round marked by frenzy of four-pointers