Complex sentence: Ahead of the 2014-15 season, manager Steve Davis was determined that Pogba could play as a central striker, but Pogba wanted to leave Crewe despite the club's attempt to persuade him to stay.
Split into simpler sentences: Ahead of the 2014-15 season, manager Steve Davis was determined that Pogba could have a chance to play as a central striker. However, Davis said Pogba wanted to leave Crewe despite the club's attempt to persuade him to stay.