Helmut Marko expands on his ultimatum to Checo Perez
Helmut Marko expands on his ultimatum to Checo Perez It has been a hectic few days in Helmut Marko‘s life, and this time it was not because of some attack he made on Sergio Perez, but because of the rumor of his retirement from Formula 1. Last week, O Globo reported that the 80-year-old Austrian was weakening in…