Middlesex have handed teenage trio Max Holden, George Scott and Robbie White summer contracts with the club.
The trio will be able to train with and play for Middlesex when their school and university commitments allow.
Batsman Holden, 16, all-rounder Scott, 18, and wicketkeeper-batsman White, 19, have all come through Middlesex's academy and featured for the second XI.
"As a club we want to continue to find and develop young cricketers," managing director of cricket Angus Fraser said.
"We are excited by the young talent that is in our system. All three played performed well in 2014, showing what potential they have."