Translation:The ballplayers are big on that team.
It cannot be that, unfortunately. In your sentence, the intent is to say where those big ballplayers are, which is on that team. That would be an Aia sentence with the word nui after nā pāʻani kinipōpō - Aia nā pāʻani kinipōpō nui ma kēlā kime.
When you have an adjective starting a sentence like this one, the intent of the sentence is to describe the noun - The ballplayers on that team are big.