Liverpool have signed 18-year-old Dutch striker Jordy Brouwer from Ajax.
Benitez has now made three signings in the transfer window
The player joins goalkeeper Daniele Padelli and defender Emiliano Insua as the new arrivals at Anfield in the transfer window.
"We've made a good signing for the future in Jordy," club chief executive Rick Parry told Liverpool's website.
"He had a youth contract at Ajax, but opted to build his career at Liverpool. We've monitored his progress and look forward to developing his potential."