Fletcher had an argument with Craig Levein, that put him out of the scene for a while, until a temporary truce saw him back last October.
Strachan played the £12m striker against Estonia last night before he was replaced just after the hour.
His only chance to get on the scoresheet came in the 19th minute when he headed Chris Burke’s cross just over the top.
David Vaughan played the first half of Wales’ 2-1 win over Austria at the Millennium Stadium, as the midfielder made his third successive start under Chris Coleman.
Seb Larsson played the full 90 minutes in Sweden’s defeat to Argentina in Stockholm.
Three goals in the opening 23 minutes earned Argentina a 3-2 victory in their friendly against Sweden at Nya Ullevi Stadion.
A Mikael Lustig own goal put Argentina ahead after only three minutes before Jonas Olsson equalised in the 17th minute.
Sergio Aguero put the South Americans ahead again and Gonzalo Higuain made it 3-1 in the 23rd minute.
Rasmus Elm netted Sweden''s second goal in the 94th minute with a fine free-kick, but it was too little too late to deny the Argentinians.
Keeper Simon Mignolet was left on the bench for Belgium’s 2-1 win against Slovakia.