AIGLE, Switzerland (AP) — The International Cycling Union says two Argentine riders tested positive for doping at the second-tier Tour of San Juan stage race.

Race winner Gonzalo Najar tested positive for CERA, an advanced version of the endurance-boosting hormone EPO. Najar was Argentina's road-race champion in 2017.

The UCI says Najar's teammate Gaston Javier tested positive for anabolic steroids at the same weeklong race in January.

Both riders are provisionally suspended during an investigation.

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The UCI says its disciplinary commission will consider suspending the second-tier Sindicato de Empleados Publicos de San Juan team.

UCI rules let it block teams from racing for up to 45 days after two positive tests in a 12-month period.