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After the Operación Puerto scandal touched big names of the men's team such as Jan Ullrich and Óscar Sevilla, and following disputes among riders and managing staff, there were major changes in both the team's roster and management, and Stapleton was appointed team manager.
According to El País, the investigations conducted by the Guardia Civil under Operación Galgo have also directly implicated Dominguez in the Operación Puerto doping ring.