szczesny has found himself demoted to the substitutes ' bench in recent months due to a combination of poor performances .
szczesny is expected to line up in goal for arsenal in saturday 's fa cup semi-final against reading at wembley , and seaman believes the poland international can make the number one jersey his own once more .
` with wojciech , it must be hard for him now to be number two , coming off the back of a season where he was a regular .