In two seasons as a Chelsea player, Jackson has scored 30 goals in all competitions—24 of which have been in 65 Premier League appearances. He first emerged at Villarreal and a few short months before joining Chelsea was a failed medical away from becoming a Bournemouth player.

Liverpool could do with Newcastle United signing a striker to boost its chances of snapping up Alexander Isak, but Benjamin Sesko appears set to join Manchester United

With less than two weeks to go until the season, it's not time to panic yet, but these teams need to start building their squads and fast