With Liverpool, Manchester City and Tottenham Hotspur looking good bets to fill the top three spots in the Premier League, there a trio of teams battling to claim fourth and a lucrative place in next seasons Champions League.Chelsea are currently in pole position, three points ahead of Arsenal with Manchester United a further Matt Chapman Jersey three points adrift in sixth place. Read on as we a se s their respective chances of finishing in the top four.Blues need more firepowerChelseas failure to sign a top cla s Chris Hatcher Jersey forward last summer could seriously impact their chances of qualifying for the Champions League. The Blues have failed to find the net in three of their last six games in all competitions and their need to buy a prolific striker is clear for all to see.Manager Mauricio Sarri has used playmaker Eden Hazard as a false nine in recent weeks, with neither Alvaro Morata or Olivier Giroud providing the goals that Chelsea need.Both Arsenal and United boast significantly more firepower Fernando Rodney Jersey than Chelsea and it would be a brave move to use this to back Sarris side to finish in the top four.Improving Gunners are dangerousArsenal have looked much-improved this season, although their recent 5-1 drubbing at Liverpool showed they still have plenty of work to do if they are to become title challengers.New manager Unai Emery has implemented an eye-catching style of football at Arsenal, but they still lack solidity in defence.Lucas Torreira has been a superb addition in midfield, while Pierre-Emerick Aubameyang and Alexandre Lacazette have in attack.However, succe s in either the Europa League or FA Cup seems more likely for the Gunners than a top four finish.United can overhaul London duoManchester Uniteds hopes of finishing in the top four have been boosted by four league wins Dave Henderson Jersey in a row under temporary manager Ole Gunnar Solskjaer.A favourable fixture list handed Solskjaer games against Cardiff City, Huddersfield Town, Bournemouth and Newcastle United, and he duly guided United to four comfortable victories. Brett Anderson Jersey United still have fixtures against Tottenham Hotspur, Liverpool, Arsenal, Manchester City and Chelsea to come, but the rest of their run-in looks pretty favourable.Solskjaer has got once again and they are strongly fancied to overhaul the London duo and finish in the top four.