Complex sentence: MacKenzie signed for English League One side Milton Keynes Dons on 14 May 2010, becoming a favourite amongst the Dons' faithful after scoring the winning goal against local rivals Peterborough on 21 March 2011.
Split into simpler sentences: MacKenzie signed for English League One side Milton Keynes Dons on 14 May 2010. He scored the winning goal against local rivals Peterborough on 21 March 2011.