ARSENE WENGER celebrates 20 years since being appointed as Arsenal boss. Edwards almost made it a dream debut as he narrowly missed the target from the edge of the area late on. Despite Liverpools impressive run, the boss has warned his side against complacency ahead of the Pre. mpaign, and while he was prone to the odd gaffe, Lehmans time at Arsenal is remembered fondly. soon repaid his managers faith in himJens LehmanThe German shot-stopper played in two spells for Wenger at Arsenal, but will obviously be remembered for the first. ng following years of terrorising defences worldwideEmmanuel PetitAnother player who converted his position under Wenger, from defender to midfielder, Emmanuel Petit was signed from Monaco for £2. AP:Associated Press22Santi Cazorlas midfield role may have been redefined from the free-role, but he. - and the German international has not disappointedAlexis SanchezSanchez is regarded by most Arsenal fans as their best player. 5million from Borussia Dortmund at the start of that season. But they also need to find their shooting boots against Crystal Palace.