Sunderland striker Brian Brobbey(Image: Getty Images)

A question mark over Sunderland striker Brian Brobbey’s fitness has been raised by former Ajax manager John van ’t Schip.

Brobbey joined Sunderland on September 1 and has yet to establish himself under Regis Le Bris.

Van ’t Schip has expressed concern over the fitness of Brobbey, suggesting the Dutchman’s physical power can sometimes work against him in terms of overall fitness.

The forward has made three substitute appearances so far in the Premier League. The 23-year-old had fallen out of favour in Amsterdam before his move to Wearside, with sections of the Dutch media critical of his form prior to his exit.

Van ’t Schip, who managed Ajax between October 2023 and the end of last season, was in charge when Brobbey produced his best spell in front of goal.

Under his management, the forward scored 15 times and registered 10 assists in 28 appearances.

He therefore knows how to get the best out of the player and reflecting on how he helped Brobbey rediscover his form, Van’t Schip told Rondo, via Ajax Showtime: “In the...