Barcelona had been in the market for a striker to provide cover for their hitman Luis Suarez. The LaLiga leaders eventually signed Ghanaian Kevin-Prince Boateng on loan from Sassuolo until the end of the season.
Oxley, who reportedly worked as an operative for the CIA for 29 years, is alleged to have said he was often used as a hitman on targets deemed to "represent a threat to the interests of the United States."