Jack Wilshere will take charge of Norwich City for the first time on Saturday less than 24 hours before running the London Marathon.The former Arsenal and England midfielder was named interim manager for the rest of the season on Tuesday following the sacking of Johannes Hoff Thorup.He believes he is ready to take a head coach role on a full-time basis, despite being only 33, but the short-term focus is to lift the mood around Carrow Road following Norwich's failure to reach the Championship pla