Diego Costa has admitted that after a difficult year at Chelsea last season, he considered returning to Atletico Madrid.
"I'm not going to change the way I play. I'm like this, it's my character and this is what allows me to win games," said Costa about Spain.
Donnarumma is training alongside Gianluigi Buffon while on duty with Italy, and Amelia has tipped him to succeed the Juventus player when he retires.
England captain Wayne Rooney has confirmed that the 2018 World Cup in Russia could be his last act in international football.
Keane, 36, told O'Neill, the coaching staff and his teammates he was retiring from international football after this summer's Euro 2016.