Boyhood Hearts fan Adam King admitted it was a wrench to leave Tynecastle after the highly-rated teenager sealed his move to Swansea City.
The 18-year-old midfielder has signed a three-and-a-half year deal with the English Premier League club, who are believed to have paid around £200,000 for his services.
King, a Scotland Under-19 internationalist who made three appearances for Hearts, said: “It feels brilliant to be here. I’ve left a passionate club and I’m arriving at another passionate club.
“It’s always going to be hard to leave the club that you love, your home and your family as well, but Swansea are building something special.
“It’s a very good club to be at. The way Swansea play football is brilliant and will suit me down to a tee. I like to get the ball down and play, not force passes, and get around the pitch.
“For me, being a central midfielder, I admire the likes of Jonjo Shelvey and Leon Britton here, and I believe I can learn a lot from them. I’m excited and I’m looking forward to my time here.”
King took part in his first training session with the Swans’ Under-21 squad yesterday.