The major arrival at Chelsea in the summer is likely to be in the shape of a brand new manager, though the struggles of this season arguably point to the need for a major squad rebuild.

The Blues, for much of the last decade, have relied on a nucleus of strong players to get them through testing times as a number of big managers come and go.

However, old Father Time is catching up on them and the likes of Frank Lampard, Didier Drogba and Petr Cech have all left Stamford Bridge in recent seasons.

No longer can the club call on such a strong core group, as they so famously did on the special run to Champions League glory in 2012. Perhaps now, in the wake of the Jose Mourinho era, the club can come through the darkness, with young players and a new, long-term man installed at the helm as a shining beacon of hope for the future.

Wishful thinking perhaps, Roman Abramovich is still there after all.

For that to happen however, some of the major disappointment of this season must be shipped out of West London. For a new era to dawn, they must eradicate any of the lingering bad will that has plagued their nightmare title defence.

Considering all of this, here are FIVE big names that could leave Chelsea this summer.

EDEN HAZARD

Hazard

How the mighty fall. Last season's Player of the Year, Eden Hazard was breaking his way into the elite group of players in Europe and drawing comparisons with a certain Cristiano Ronaldo.

This season, however, the 25-year old has been utterly dreadful. He's yet to score in the Premier League and recorded just three assists and his constant flirtations with Paris Saint-Germain have irked onlookers. Well, Roy Keane, whose usually pretty irksome as it is.

Still, the Belgian playmaker would likely command a huge fee from either the likes of PSG or Real Madrid and would certainly garner interest.

The fee commanded from his sale would likely give the new boss enough funds to rebuild other key areas of his squad.

NEMANJA MATIC

Matic

Nemanja Matic is another who was so influential last season, though now looks like a shadow of the stoic Serbian this time around.

Where he once looked a titan in midfield, the 27-year old now appears to be timid and easily brushed off the ball. Blues stalwart John Obi Mikel has stepped in as an anchor man, becoming the preferred option next to Cesc Fabregas.

Circulating reports suggest the club could even offer their Serbian international to Juventus in a potential swap deal for Paul Pogba.

JOHN TERRY

Terry

Though you don't get the feeling the John Terry contract saga has reached its natural conclusion, the skipper currently looks as if he will soon depart.

The 35-year old has been a mainstay at the club across their most successful period, though his deal does not look like it will be extended.

This particular exit may be a lot different to the other names mentioned, but no less a seismic shift in the complexion of the Chelsea team, and club as a whole, going forward.

PEDRO

Pedro (centre)

Pedro was the major arrival over the summer transfer window and had a trophy haul to be marvelled, exciting Blues fans and neutrals alike.

However, the Spanish winger has only shown glimpses of what made him such a revered attacker on the continent during his Barcelona days.

Largely, the World Cup winner has flopped.

Brazilian winger Kenedy is slowly emerging as a threat to his position, with Willian, Bertrand Traore and Oscar also providing competition in attacking berths.

Though he's a big name, the 28-year old could realistically see his stay in West London cut short this summer.

LOIC REMY

Remy

Despite a multitude of links away over the January transfer window, Loic Remy is still on the books at Chelsea. Somehow.

Whoever takes charge in the summer, it's unlikely the Frenchman will feature long-term within their plans. With Diego Costa now finding his best form once again, the 29-year old could feasibly be cut loose without too much heartache.

Clubs from the mega wealthy Chinese Super League have been reported to retain an interest in the French striker in what could prove to be a good deal for all over the summer.