The Newcastle Knights have provided an update on injured players Jack Cogger andย Chanel Mataโ€™utia.

Young halfback Jack Cogger has this week undergone pelvis-stabilising surgery and repair of a sports hernia.

Cogger will be sidelined for approximately 14 weeks.

Meanwhile, Chanel Mataโ€™utia suffered a grade one hamstring strain at training on Wednesday.

Mataโ€™utia will be out for approximately three to four weeks.