A bizarre handball by Sevilla defender Fernando Navarro gave away a late penalty which helped Valencia to a 3-1 comeback home win in the Primera Liga on Sunday.
Saturday marks the 10th anniversary of Lionel Messi's first-team debut with Barcelona, when the Argentine came on as a 16-year-old substitute during a friendly against Porto in Portugal.
Carlos Bacca claimed the plaudits with a superb double strike, including a late winner to decide a pulsating clash that began at a hair-raising pace with four goals in the first half.
The policy of buying players cheap and selling them for a higher price a few years on is a business model that worked well for clubs like Atletico Madrid and FC Porto. With the transfer window open for the next few weeks, Rediff.com takes a look at clubs that made smart deals over the years.