FILE PHOTO: Formula One F1 - Spanish Grand Prix - Circuit de Barcelona-Catalunya, Barcelona, Spain - May 9, 2019 Mercedes' Valtteri Bottas REUTERS/Juan Medina
BARCELONA (Reuters) - Formula One championship leader Valtteri Bottas set the early pace for Mercedes in first practice for the Spanish Grand Prix on Friday with Ferrari's Sebastian Vettel and Charles Leclerc close behind.
Five-times world champion Lewis Hamilton, Bottas's team mate, lapped fourth fastest.
