Marc Marquez cleared to make MotoGP return at Portimao

The six-time champion has been out of action since he broke his right arm in last year’s delayed season opener at Jerez in July.

A failed attempt to return for the following week’s Andalucian GP compounded his injury, and resulted in a lengthier spell on the sidelines. 

Marquez has undergone three operations since then, the most recent in December when he had bone grafted onto his…