The World Cup victor is flourishing under interim boss Ole Gunnar Solskjaer in an advanced role.
"I signed him for £5 million, it was good business", the Italian said.
Rooney joined D.C. United last July and helped them to a huge midseason turnaround, scoring 12 goals and adding seven assists in 20 appearances as United went from last place to a playoff berth.
The Gunners will face Belarusian side BATE Borisov in the last 32 of the competition starting with the first leg next week.
The fact that Tottenham are now third in the table and progressing in the Champions League, not to mention the Lilywhites moving into their new stadium, means that Spurs chairman Daniel Levy would be hard-pressed to release Pochettino from his contract - especially if it meant he would go to a league rival in United.
Respawn Entertainment to Deliver a 'New Twist' on Titanfall Later This Year
Wilson blamed the shortfall on the decision to focus on single player action instead of a battle royale mode. Investors are certainly being cautious-EA's share price is down more than 13 percent this morning.
It was a remarkable turnaround for a club that won three-of-the-first-four MLS Cups after the league launched in 1996 but had fallen on tough times in recent years.
And this feels like a match where Solskjaer may feel he can get away with playing Juan Mata on the right - although he would be wiser to deploy him through the middle - to give Jesse Lingard the chance to rest before being unleashed in midweek.
"He deserves it at the moment", Ranieri said.
He has registered four goals in five starts, including winners in consecutive away games against Newcastle United, Tottenham Hotspur, and Leicester City.
"But decisions, sometimes of players' futures are not down to me, either".