The 21-year old has joined the League One club on a short-term deal until January after departing Chelsea to find regular first team football.
"This deal gives him the opportunity to further impress," Walsall boss Dean Smith told the club's official website.
"He's had a good upbringing in the game and already in the brief time that he has been with us, he's displayed great technical ability.
"There are elements of his game that require work, but he is aware of that and is prepared to come here on a short-term deal and work hard in a bid to earn himself a longer-term contract at the club.
"I've been impressed by his attitude and his willingness to learn. He has fitted in well and I am delighted to add him to our squad."
Delighted to sign for Walsall today looking forward to tomorrow and working to full fitness. Thanks for all the message— Billy Clifford (@Bclifford47) August 8, 2014
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