Reds boss Brendan Rodgers recently ruled out selling Sterling at the end of the season, saying, "Raheem has two and a half years left on his deal and he's not going anywhere in the summer," per Sky Sports.
The Northern Irishman's attitude is unlikely to alter, but Wallace details how Sterling could force the club's hand by initiating FIFA's Article 17.
"One option that is open to Sterling is the invoking of FIFA’s Article 17 governing transfers which would allow him to buy out the final year of the two left on his deal," Wallace writes.