Complex sentence: On 10 August 2012, Popov initially signed for English Premier League side Stoke City on a season long loan deal, but the move fell through after he failed to be granted a UK work permit.
Split into simpler sentences: On 10 August 2012, Popov signed for English Premier League side Stoke City on a season long loan deal. But the move fell through after he failed to be granted a UK work permit.