"I didn't speak with Christian recently, but I was happy to see him on the pitch and kicking a ball," said the coach.
The summer of last year was not good for the people that work with a really important player and the people that know him. I was scared at that moment and now to see him again ready to play football is a great news, and I think for Christian the door is always open.
The 29-year-old joined Inter from Spurs in January for a fee of over 17 million dollars, but is now without a club.
Dele Alli will start in the FA Cup tie against Morecambe. He has only made 10 appearances this season, but he has the chance to play well and show he is a good fit.
After making six appearances in 17 days, Harry Kane will not play in the game.
Son Heung-Min is expected to be out for two weeks with an injury.
"I made two subs and with Lucas and Son but not for injury, only to give them 15 minutes of rest, and it was a strange situation," he said.
"Then the day after Son felt a bit of pain in his leg and he had a Scan, we have to make the right evaluation."