John Terry says he is fighting to earn a new contract at Chelsea and does not see himself ever playing for another club.
Burnley manager Sean Dyche says striker Danny Ings will not be fazed about facing Liverpool on Wednesday night
The 24-year-old Sporting captain will be out of contract in June and, according to the Primeira Liga outfit, has joined Reading in a 750,000 euros deal which includes a sell-on clause for a future transfer.
Carrico wrote a farewell letter on Sporting's website.
In it, he said: "It is with mixed emotions that I write this farewell message. I'm leaving the club of my heart, where I had the privilege of graduating (through the youth ranks) and serving for several years.
"I'm leaving because I understand that I am at a stage in my career when I have to take chances. Moreover, the proposed project is extremely exciting to me and know I can succeed."