The Red Devils boss made no mention of last weekend's ill-tempered derby, or the post-match fracas which unfolded when Mourinho reportedly became unhappy at the scale of Manchester City's celebrations.
Mourinho says he will not stand in any player's way if he wants out and points to the example of unsettled pair Morgan Schneiderlin and Memphis Depay who he sold to Everton and Lyon respectively last January for a combined £50million.
"Chris Smalling is playing amazingly well for seven or eight matches in a row maybe, so we are fine".
He said: "I think players can go for the right price".
The United manager says he has not ruled out making signings next month, but also insists players can leave if another club stumps up the cash. "I liked the standing ovation he got, it only helps the player".
Dutch police shoot man with knife at Amsterdam airport
Schiphol Plaza, a shopping area near passport control, was temporarily evacuated while the authorities responded to the incident. There are no reports of injuries and the airport - one of Europe's biggest - has now reopened.
The striker is set to line up against West Brom on Sunday after scoring a hat trick against United at the Hawthorns in the same fixture in 2013.
With an 11-point deficit to make up, United can not afford any slip-ups but Mourinho says he is up for the challenge. Marcos Rojo was injured [against Manchester City] but nothing really big'.
"I signed a three-year contract here because it was the time myself and the board we decided on at that time".
"I knew that it wouldn't be an easy job, I had a similar experience before in huge historic clubs. The job is hard but I've had that experience before at other clubs, so it is nothing new".
Bailly has not represented United since the 1-0 defeat to Chelsea at the start of November, and it had been claimed earlier this week that the problem could keep the Ivorian out for the remainder of the season.