Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Club | Outgoing Head Coach | Date of vacancy | Manner of departure | Incoming Head Coach | Date of appointment |
| --- | --- | --- | --- | --- | --- |
| Kelantan FA | Bhaskaran Sathianathan | 24 January 2011 | Resigned | Maruthaiah Karathu | 26 January 2011 |
| Perlis FA | Mosthakeen Omar | 1 March 2011 | Resigned | Salim Tofel Mohamad (caretaker) | 8 March 2011 |
| Kedah FA | Ahmad Yusof | 7 March 2011 | Gardening leave 1 | Muhamad Radhi Mat Din (caretaker) | 7 March 2011 |
| Negeri Sembilan FA | Wan Jamak Wan Hassan | 16 March 2011 | Resigned | Mohd Azraai Khor Abdullah | 21 March 2011 |
| Kedah FA | Muhamad Radhi Mat Din (caretaker) | 23 April 2011 | End of caretaker role | Wan Jamak Wan Hassan | 23 April 2011 |
| Perlis FA | Salim Tofel Mohamad (caretaker) | 26 April 2011 | End of caretaker role | Jánós Krécská | 26 April 2011 |
Question:
Who are the outgoing head coaches whose manner of departure is Gardening Leave 1?
Answer:
Ahmad Yusof