Derby have signed Mason Mount and Harry Wilson on season-long loans.
The pair join from Chelsea and Liverpool respectively to become Frank Lampard’s first signings at the club.
Midfielder Mount spent last season at Vitesse Arnhem in Holland, scoring 14 goals, and was named their player of the year.
Former Chelsea star Lampard told the club’s official site: “I’m delighted to get both of these deals done and add players of their quality and calibre to the squad.
“I know Mason really well from my Chelsea links and I have also watched him play in their very successful youth teams.
“I knew him from those days and I watched him closely at Vitesse, where he took it by storm.”
— Derby County (@dcfcofficial) July 17, 2018
Wilson is the youngest player to represent Wales at 16 years and 208 days old and spent last season on loan at Hull.
The winger signed a new five-year deal at Anfield last week.
Lampard added: “Harry brings incredible quality and hunger to the table here and he showed that last year while he was on loan at Hull. He’s a full international too and he has a real desire to come here and improve.”