Arbolino was talked about as being another rider making the step up this season, then he crumbled. Too much pressure on his shoulders, unfortunately.
The biggest difference though between those two riders are the speed they've shown.
Ducati Corse shifted their approach to the rider market after they failed with Valentino, Dovisioso, Iannone, Petrucci and (possibly) Lorenzo.
They've adopted the same approach as Real Madrid. Instead of Galacticos, they've gone all in on youth.
Pecco and Martin have validated their decision.
Apart from Acosta, Aldeguer, was the one turning most heads last year. With Acosta and Raul Fernandez not being available, Aldeguer is worth a few seasons for them.
Maybe Sergio Garcia will be signed soon as well, if he keeps his impressive form up? He in looking promising for a 2026 ride, or even a 2025 if Pit wants to twist both of his slowest riders.