Make the back of a white interclass shirt so that it matches the front

Make the back of a white interclass shirt so that it matches the front. whose front part is already done and has black scratch details on the shirt and in the upper corner , This part of the shirt must contain the number 7 in a clear font with the name Jack written on top and place a small Brazilian flag below the collar and above the name.. In addition, below the number, write the name Palheiro Pampeano in small letters and add some claw details on the white part of the shirt, predominantly on the left side., being the black collar