(JoJo's Bizarre Adventure) Caesar Zeppeli Vs Gyro Zeppeli

I remembered This What If match from All Star Battle R and it makes me wonder who would genuinelly win?

The battle takes place in the arena where Joseph fought Wammu.

Neither side have prior knowledge and are in character.

Post training Caesar is being used, Gyro have Valkyrie, the steel balls and his scan ability but doesn't have access to Ball Breaker.

Win by any mean

Round 1: Gyro only have his Steel Balls and spin.

Round 2: Gyro have his Steel Balls, Spin and Scan ability.

Bonus Round: Joseph Joestar and Caesar (Both post training) Vs Johnny Joestar (with Tusk Act 3) and Gyro (with his spin)