Mina, who was linked with a move to Manchester United for much of the window, arrives a the club in a £30 million deal, providing boss Silva with the defensive lynchpin he has been so desperately craving.
Everton have won the race for his signature with the attacking midfielder signing a four-year contract.
In the immortal words of one Larry David: preeeetty... preeeeetty... pretty good.
Mina, for whom Barca have retained a buy-back option, said the chance to play alongside Gomes and Lucas Digne - who made the same switch last week - played a part in his decision to join Marco Silva's men. "I am also determined to do my best for Everton".
Manchester United vs Leicester City
The World Cup victor reportedly informed United bigwigs that he wanted to quit Old Trafford for Barcelona . Mourinho's blatant plea came amidst a groundswell of anger at the antics of the Man United board.
"I worked hard during my holiday and now I am ready to play and do important things with the Club".
"I have spoken a lot to the coach and I know his passion for Everton and determination to be successful".
A summer that started with the intention of balancing the books ended with a flourish as Farhad Moshiri, Everton's major shareholder, sanctioned a deal for Mina, which took the club's spending to about...
Everton brought in three new faces on the final day of the Premier League transfer window, swooping for Brazilian midfielder Bernard from Shakhtar Donetsk and Barcelona players Yerry Mina and Andres Gomes.
New Everton defender Yerry Mina says that he is looking forward to the challenge of competing in the Premier League.