The pair became the latest players to join Marcelo Bielsa at Elland Road this summer, and with four weeks of the transfer window remaining, there is still time for plenty more.
In the meantime, scroll and click through the pages to see how the Whites' transfer business so far compares to their top-flight rivals:
1. ARSENAL
IN: Gabriel Magalhaes (Lille), Willian (Chelsea), William Saliba (Saint-Etienne), Pablo Mari (Flamengo), Cedric Soares (Southampton). OUT: Henrikh Mkhitaryan (Roma), Sam Greenwood (Leeds), Dinos Mavropanos - loan (Stuttgart) ,Matt Smith - loan (Swindon), Jordi Osei-Tutu - loan (Cardiff). Photo: FRANCOIS LO PRESTI
2. ASTON VILLA
IN: Matty Cash (Nottingham Forest), Ben Chrisene (Exeter). OUT: Kelsey Mooney (Scunthorpe), James Chester (Stoke), James Bree (Luton), Callum O'Hare (Coventry). Photo: Nathan Stirk
3. BRIGHTON & HOVE ALBION
IN: Adam Lallana (Liverpool), Joel Veltman (Ajax), Jensen Weir (Wigan), Lars Dendoncker (Club Brugge), Zak Emmerson (Oldham). OUT: Leon Balogun (Rangers), George Cox (Fortuna Sittard), Anthony Knockaert (Fulham), Martin Montoya (Real Betis), Matt Clarke - loan (Derby), Aaron Mooy (Shanghai SIPG), Glenn Murray - loan (Watford), Shane Duffy - loan (Celtic). Photo: GLYN KIRK
4. BURNLEY
IN: Will Norris (Wolves) OUT: Joe Hart (Tottenham), Jeff Hendrick (Newcastle), Aaron Lennon (free agent), Adam Legzdins (free agent). Photo: Robert Hradil
5. CHELSEA
IN: Hakim Ziyech (Ajax), Timo Werner (RB Leipzig), Thiago Silva (Paris Saint-Germain), Xavier Mbuyamba (Barcelona), Ben Chilwell (Leicester), Malang Sarr (Nice). OUT: Pedro (Roma), Willian (Arsenal), Nathan (Atletico MG), Trevoh Chalobah - loan (Lorient), Izzy Brown - loan (Sheffield Wednesday) , Jamal Blackman - loan (Rotherham), Marc Guehi - loan (Swansea). Photo: GLYN KIRK
6. CRYSTAL PALACE
IN: Nathan Ferguson (West Brom), Eberechi Eze (QPR). OUT: Stephen Henderson (free agent), Jason Lokilo (Doncaster), Ryan Inniss (free agent). Photo: Catherine Ivill