In the second edition of Second Serve, a weekly snapshot of the tennis tour, BBC tennis reporter Jonathan Jurejko looks at the talking points from Miami.
In a week where the appetite for revolution has been the hot topic in the tennis world, there is a need to consider evolution for one of the sport's leading young players.
The Professional Tennis Players' Association (PTPA) launching a lawsuit against the governing bodies has largely overshadowed what has happened on court at the Miami Open.
So let's shine a light on Carlos Alcaraz - and the soul-searching he will look to do before starting his European clay-court season - after a surprise early exit to Belgian veteran David Goffin.