Hindsight is a wonderful thing.
If we could peer into the future any one of us would like to change one or two decisions that we made.
The same goes for the juggernauts of football. Some of the best managers in the game get it wrong from time to time and last summer was no different.
Looking back on the summer of 2013, all of the big teams could and should have done things slightly differently.
We take a look at the big decisions that managers would love to change if given the chance.