Wayne Rooney broke Manchester United's goalscoring record last week
Rooney, 31, has been linked with a move away from United after a below-par season at the club.
Wayne Rooney's record-breaking goal in pictures
Sun, January 22, 2017
Click through the gallery for the best snaps of Wayne Rooney's landmark goal
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Click through the gallery for the best snaps of Wayne Rooney's record-breaking goal for Manchester United
But Dublin believes the England captain has proven his worth over the duration of his career.
Asked on Football Focus if he thought Charlton’s record would be broken, Dublin said: “Never. But Wayne’s done it.
“What people don’t realise is that when you’re playing football there is pressure on you to perform all the time.
Rooney (left) has struggled for goals at Man United this season
“But from 16 years old, for him to be in that bubble of football. He’s had to perform.
“He’s been a superstar since the age of 19.
“And to continue to score goals at the highest level under so much scrutiny by people who try to stop you scoring goals every single game is a huge achievement.
“In 200 games shorter than Sir Bobby Charlton did.”