Complex sentence: Paulinho has been described as a box-to-box midfielder, who is a strong as well as powerful when running-possessing the ability to push his side forward from midfield to supplement his fine defensive work.
Split into simpler sentences: Paulinho has been described as a box-to-box midfielder, with powerful running and good movement into the box. He possess the ability to push his side forward from midfield to supplement his strong defensive work.