Partridge will most likely be used as a direct replacement for Youssef Chippo who has a thigh strain.
“The Worthington Cup is very important to us and we want to go as far as we possibly can. If you win games you can get into a winning pattern and that can go right through the club,” said Coventry's assistant manager Eric Black.
Meanwhile, City have dispensed with the services of centre-back Steve Walsh.
The former Leicester City player only started one senior game for the Sky Blues and has not featured since.