He debuted in the 125cc World Championship in 2008, Repsol KTM 125cc KTM 125 FRR riding a rented; the team-mate Esteve Rabat. Gets a third place in the UK and the season ends on the 13th place with 63 points. This season, he is forced to miss the GP of Qatar, Spain, Malaysia and Valencia for injuries.
In the year 2009 goes to the Red Bull KTM Moto Sport; the teammate Cameron Beaubier. Gets a third place in Spain and two pole positions (France and Malaysia) and the season ends on the 8th place with 94 points.
Marquez on Derbi RSA 125 of the...