As we have seen today, free transfers hardly get pulses racing amongst fans.
Although there may be other reasons for the way Arsenal fans have reacted to the re-signing of Mathieu Flamini, a Bosman free is unlikely to be much of a headline maker.
However, sometimes signing players off the unemployment line turns out to be a huge success.
Injury-stricken players other clubs have given up on or old timers looking for fresh motivation; a free transfer can sometimes turn out to be the best signing a club has made.
Here we take a look at five of the best free signings of the recent past.