Complex sentence: Normal time ended with the game at 2--2, the ensuing periods of extra time saw cagey football from both sides and Celtic were down to ten men when Bobo Balde was dismissed on 95 minutes after his second yellow card.
Split into simpler sentences: Normal time ended with the game at 2--2. Celtic was down to ten men when Bobo Balde was dismissed on 95 minutes after his second yellow card.