Knights prop Jacob Saifiti and Warriors forward Bunty Afoa are facing two-week bans for shoulder charges following a review of Sunday's matches.
Both players can reduce their suspensions to one match with early guilty pleas by midday on Tuesday.
Dragons hooker Andrew McCullough was handed a contrary conduct charge following a tackle on Knights No.9 Jayden Brailey and has been fined $1150.
Sea Eagles forward Morgan Boyle has been banned for two weeks over a crusher tackle, adding to the pain of his dislocated shoulder in the 40-point loss to Penrith.
Rabbitohs forward Keaon Koloamatangi has also copped a two-game ban - he was being charged with a grade-two crusher tackle on Bulldogs centre Will Hopoate.
Rabbitohs five-eighth Cody Walker will spend this weekend on the sidelines after being charged with striking Bulldogs fullback Nick Meaney in Friday night's win over Canterbury.
All the official charges for round four of the Telstra Premiership.
www.nrl.com
Knights halfback Mitchell Pearce will be sidelined for
10-12 weeks after scans on Monday confirmed the extent of damage he suffered to his pectoral in trying to tackle Dragons forward Tariq Sims.