To find the cache, answer the following questions:
What's the official, current name of the field?
Rishon Lezion Stadium -> A=3
Haberfeld Stadium -> A=7
Goldsmidt Stadium -> A=6
Hayam (the sea) Stadium -> A=0
What's the stadium's common name?
Haim's field -> B=4
HaPachim field -> B=2
The Yellow field -> B=3
The Superland field -> B=0
When was the stadium built?
2007 -> C=8
2003 -> C=3
1993 -> C=1
2009/2010 -> C=9
At the main entrance you'll see...
Yoav Abukasis -> D=6
Goldsmith, Arditi and Ben Naim -> D=4
Ya'akov Hodorov -> D=2
Haim Haberfeld -> D=8
Now go find the cache, it's at N 31° 58.ABA / E 34° 45.CD0
need help? confirm your answers here and get another clue :)