It's said that the 20-year-old defender wasn't offered a professional deal by Tottenham and became a Liverpool player on July 1
Stewart, who plays centre-back, was an academy product at White Hart Lane but the 20-year-old was not offered a professional deal by Spurs, and that's where Liverpool have reportedly stepped in - signing for the club yesterday.
The Reds want to strengthen in the defensive area following a league campaign where they conceded 50 goals, but the signing of Stewart seems to be a longer-term view.
The four centre-backs who would expect fairly regular game time at the club at the moment are Martin Skrtel, Daniel Agger, Mamadou Sakho and Kolo Toure. Toure has been linked with a move away from Anfield, as has Sebastian Coates who missed all of last season because of a knee injury.
There are other defenders on the club's books. Martin Kelly has played full-back but plays centre-back and has recovered from a long-term knee injury, Andre Wisdom plays the same two positions and spent last season on loan in the Championship at Derby County. Tiago Ilori signed from Sporting Lisbon last summer and spent the second half of last season on loan at La Liga side Granada, and is rumoured to be spending more time away from the club during this campaign.
As a result, Stewart may be expected to spend time, initially, with the under-21 side - and may even be in line for a loan spell himself, as the Reds are also rumoured to be pursuing other defensive targets.
Last season he made a total of 31 appearances in the under-21 Premier League for Spurs, and had a short spell on loan from the club at Crewe Alexander at the tail end of last season, where he made four appearances for the Railwaymen.