They are questionable. No need for comma after OT because the sentence is a single thought. In casual writing sometimes a word is repeated without commas for extra emphasis, although I agree in formal writing a comma would be required.
Not entirely sure where the lack of motor came from in regards to Drummond....On the floor he showed a good motor\hustle that I saw.... I think it has more to do with his age (very young...18)...and his easy going attitude....