Mina admits their relationship is strong on and off the pitch.
He told Marca: "We have a very nice friendship. I admire Keane for how he is as a person. He is an impressive professional. He never gives you a bad face. We have a very nice family and it fills you up.
"We have already been playing time together. Every day before playing we conspire to leave the game at zero, we get together and say to each other: 'Hey, today is the day, they are not going to pass!' If not, we repeat for the next one.
"There is chemistry, it's true. I thank Michael because he helped me a lot with the language and because every day we work more as one. We have to enjoy it."