Farfetch'd can evolve in Pokémon Sword - EGM

Pokemon Sword & Shield: How To Evolve Galarian Farfetch'd (& 9 Other Things You Need To Know About It)

Galarian Farfetch'd Location - Pokémon Sword Exclusive

Pokemon Sword: How to Evolve Galarian Farfetch'd into Sirfetch'd

Galarian Farfetch'd - Evolutions, Location, and Learnset

Pokemon - Sword & Shield - Rebel Clash - Galarian Farfetch'd - 094/192

Goh's Farfetch'd, Pokémon Wiki

A Wild Sirfetch'd Appears; Exclusive to Pokemon Sword

Fun Fact, Ash's Galarian Farfetch'd (which would go on to evolve into Sirfetch'd) was the first Version Exclusive Pokemon he caught, being exclusive to Pokemon Sword (Serebii and Bulbapedia don't list Solgaleo

How to Evolve Farfetch'd, Sirfetch'd

Pokemon: Nintendo reveal SirFarfetch'd - the new Galar form in Sword and Shield - BBC Newsround