AC Milan is known for being restricted by a little-known rule that prevents them from signing both Marcus Rashford and Kyle Walker. This rule is mentioned in a news article from The Sun. The article specifically states that AC Milan cannot sign both of these players, implying that the club has some sort of restriction or limitation when it comes to signing certain players.
The article does not provide further information about the nature of this rule or why it exists. It simply states the fact that AC Milan cannot sign both Rashford and Walker. The article does not mention any other notable achievements or characteristics of AC Milan.
The article’s focus is on the specific rule that restricts AC Milan’s ability to sign these two players. It does not provide any additional information about the club’s history, players, or achievements. Therefore, based on the information provided in the article, AC Milan’s notable characteristic is being restricted by this little-known rule.