However, the Merseysiders boss believes that the duo will be the only new faces at the club come February.
"We got Sturridge in early on and obviously young Coutinho will be a terrific signing for us," talkSPORT quotes Rodgers as saying.
"He'll add that excitement and offensive threat at the top end of the field.
"I can't see any more coming in."
Liverpool let a two-goal lead slip on Wednesday as they drew 2-2 at Arsenal.