The visitors , who were also missing Marco Verratti , were forced into another tactical change just before half - time when Thiago Motta pulled up with a hamstring problem .
Blanc refused to use the adjustments as an excuse .
The visitors , who were also missing Marco Verratti , were forced into another tactical change just before half - time when Thiago Motta pulled up with a hamstring problem , but Blanc refused to use the adjustments as an excuse .