Midfielders - Oriol Romeu (Southampton), Andre Gomes (Everton) and Denis Suarez (Arsenal)
Oriol Romeu joined the Barcelona academy from city rivals Espanyol and played 49 times for the Barcelona B team in the Segunda Division. He also played twice for the senior team before joining Chelsea in 2011.
Barcelona had first refusal rights for Romeu if Chelsea wanted to sell him in the future. He played 33 times for Chelsea before spending a season each on loan at Valencia and Stuttgart. In 2015, he joined Southampton on a permanent deal and continues to be a key player for the Saints.
Andre Gomes is one of three Barcelona players to join Everton last summer. However, unlike the other two players, Gomes only joined the Merseyside club on a loan deal.
Gomes signed for Barcelona in 2016 which cost the club €35 million, plus €20 million in add-ons. However, the Portuguese international struggled with form in his first season under Luis Enrique and was rarely used by Ernesto Valverde in 2017/18.
The 25-year-old is at a club where he can play regularly and get his career back on track. Maybe, he should consider a permanent exit in the upcoming summer transfer window.
Denis Suarez is the latest player to leave Barcelona for a Premier League club in search of regular playing time. That being said, Suarez joined Barcelona from Manchester City in 2013.
Suarez initially played for the Barcelona B side before going on loan to Sevilla and permanently joining Villarreal. In 2016, Barcelona signed him back using their buy-back clause. He went on to play 71 times in the next two and a half seasons but a significant number of those appearances came off the bench or in cup competitions.
At Arsenal, the 25-year-old has the opportunity to work under Unai Emery who was his manager at Sevilla.