Arsenal have confirmed that Gabriel Martinelli will miss the first half of the 2020-21 season.
Martinelli damaged the cartilage in his left knee during a training session on June 21, and underwent surgery on the issue later in the month.
The 19-year-old was ruled out of action for the remainder of the current season, which had been an impressive one for the man snapped up for a modest fee of £8 million from Ituano last summer.
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The Brazilian has hit 10 goals in his first 26 appearances in all competitions for the Gunners, despite the fact he has operated in a back-up role behind first-choice strikers Pierre-Emerick Aubameyang and Alexandre Lacazette.