"They might not be involved in the first team yet, but I think Rafa Benitez has brought some great young talent into the club this season with the likes of Padelli, Insua and Brouwer," Reina told website icons.com.
"One must give them time, but I believe they can be very good footballers - just as good as Arsenal's youngsters.
"I like Liverpool's idea of investing in young players for the future. This will prove effective over the next few years."