Complex sentence: His best harvest in Argentina was second place with Independiente in 1996; that team would achieve the 1997 championship, after Menotti left in mid-season for what would be a brief stint with Italian side Sampdoria.
Split into simpler sentences: His best harvest in Argentina was second place with Independiente in 1996. That team would achieve the 1997 championship after Menotti left in mid-season for what would be a brief stint with Italian side Sampdoria.