1. He took Palace to 3rd in the entire league
2. Two season ago, he took Brentford to within 25 minutes of the first division with no money - since he left they haven't managed a top half finish.
3. Last season, he took a club with 4 points from its first 14 matches to within one game of...
Henderson is a decent interim signing but is obviously not a long term solution. He has expressed no desire to stay here (can't say I'm surprised) but will be keen to score goals aplenty.