But the five-time Premier League champion believes United should focus on what they have now.
“Eventually, yes, but at the moment he’s doing the job,” Brown added.
“We have three young strikers and the experience he shows, sometimes if you’re scoring goals it doesn’t matter how old you are.
“If he can keep that going he’ll start more games.
“Every season you always need new people in your squad to try and improve it. You need competition and the more competition, the more they work and fight harder.”