 A youth product of Juventus F.C., Konko was loaned to F.C.Crotone with Giovanni Bartolucci, Tomas Guzman, Antonio Mirante, Matteo Paro and Daniele Gastaldello in 2004 and with Guzman in 2005.He was sold in co-ownership deal to Siena in 2006, valued €500,000, and moved along with Bartolucci for €500 and Andrea Masiello for €350,000, as well as Douglas Packer on loan.