The Chelsea loanee has not featured for Salop head coach Gareth Ainsworth for the reason that heart-breaking last-gasp defeat to Charlton at The Valley nearly two weeks in the past.
Castledine is affected by an ‘overuse’ harm with the boss saying City should handle the 19-year-old’s workloads accordingly.
And talking in his press convention forward of the journey to the New York Stadium this weekend, Ainsworth mentioned the teen might be struggling for the conflict whereas saying there was constructive information on the remainder of the squad.
He mentioned: “Leo’s had this overuse-related harm, which occurs while you’re younger.
“Taking them out is simply as essential as placing them in. These kids, it is actually, actually essential for his or her growth, mentally, bodily, the whole lot. So Leo’s going to wrestle for the squad on Saturday.
“Aside from him, everybody else is match. Clearly, Toto has a match ban for his purple card, however now everybody else is concerned and able to go.
“It is sensible to see Morgan up and about once more after his whack at Stockport, however I am actually wanting ahead to getting my tooth caught into Rotherham.”