The Japan international has failed to establish himself as a first-team regular at Old Trafford, prompting suggestions he could head for the exit door at the end of the season.
However, his agent Thomas Kroth claims there has been no contact with Napoli coach Rafael Benitez amid reports that the Spaniard was plotting a bid for the former Borussia Dortmund man.
"Has there been contact with Benitez? For me, these are just rumours," he is quoted as saying by ultimecalcionapoli.it.
"He doesn't feel bad at Manchester United, so I see no reason to talk about him leaving."
Kagawa has made just 13 starts for United this season, failing to find the back of the net in a disappointing season for the soon-to-be deposed champions.
Get the best features, fun and footballing frolics straight to your inbox every week.
Thank you for signing up to Four Four Two. You will receive a verification email shortly.
There was a problem. Please refresh the page and try again.