PORTSMOUTH boss John Mousinho knows they face a massive challenge with forward Callum Lang set to miss the rest of the season due to a torn hamstring.
The injury occurred during their 2-0victory at Oxford United last Saturday, with indications it will put him out till the next season.
Lang has netted 10 goals in 30 appearances including a four goal thriller against Coventry City in December.
“It’s obviously not the news that he or the club wanted,” the boss said.

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