2 Min Read (Reuters) - Valtteri Bottas said he raised concerns about Mercedes’ pit stops ahead of last month’s Monaco Grand Prix which saw the Formula One champions fail to remove a wheel from his car, forcing the Finn’s retirement from second place. FILE PHOTO: Formula One F1 - Monaco Grand Prix - Circuit de Monaco, Monte Carlo, Monaco - May 23, 2021 Mercedes' Valtteri Bottas in action during the race REUTERS/Gonzalo Fuentes Bottas, whose arrival in Azerbaijan for this weekend’s sixth round of the season was delayed by travel disruption, told reporters on Thursday that what happen...