Get the latest United transfer window updates, news and analysis delivered straight to your inbox every day for free Hannibal Mejbri admits he still needs to become stronger if he is to make a successful transition to the Manchester United first-team.
Mejbri, 18, capped a fine season with the Under-23s with his first call-up to the Tunisia national side and he appeared in their three friendlies against the Democratic Republic of Congo, Algeria and Mali earlier this month.
The teenager received the Denzil Haroun Reserve Player of the Year award at United and made his career debut on the final day of the season at Wolves.
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