Alonso will be happy to return to the Spanish international.
According to Mundo Deportivo via sports witness, Alonso is a fan of Barcelona and has a family connection to the club.
Its no secret that Barcelona want and need to bring in some more depth at the full back position this summer. The lack of depth aging quality they have will eventually lead to more injury problems as competition increases next year.
The Spanish international has been getting quality time with Chelsea due to Reece James injury, but its clear he's Tuchel's number two when everyone is healthy. That's led him to perhaps become interested in a move backto spain.
Alonso is contracted to Chelsea until 2023 but the blues face an intriguing summer. The club can't buy or sell players because of the sanctions of the owner Roman Abramovich but groups are currently bidding to buy the premier league side.
Alonso has 25 goals in 178 appearance and assisted 18 times during his time at the club.
Alonso scored the blues first league goal of the season against crystal palace on the opening day, but his gametime recently due to Ben Chelwell's impressive run of for the side.
Chelsea next faces Leicester City after the international break.