Former Chelsea midfielder Frank Lampard is concerned the Blues are lacking "real personalities" and believes their current Premier League position is "ridiculous".
Under the leadership of interim manager, Chelsea have put a poor start to the season behind them, as they now sit 11th in the league.
However, former England international Lampard, who played more than 400 games for the club between 2001 and 2014, sees John Terry as the last of the big personalities at Stamford Bridge.
I do worry about where the real personalities of the team are. To be a big team, you have to have big personalities.
I don't want to sound like I am harking back to the days of me and John (Terry) and Ashley Cole and Petr Cech and Didier Drogba but I do see a team now where John is the last mainstay of that identity.
Maybe Chelsea are looking for a more beautiful way now. The club has been trying to push it down that route with the players they have recruited over the last four or five years.
The problem is if you fall in the middle, somewhere between tough and beautiful. It's nice football at times but it's not that nice and it's not really winning games. It's not beautiful, beautiful stuff.
They need to buy two or three big players. Because being 11th in the Premier League is ridiculous for Chelsea.
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Frank Lampard scored his first goal in Major League Soccer as New York City recorded a 2-0 victory against Toronto FC on Wednesday.
The former Chelsea and England midfielder, making just his fifth MLS appearance after a series of injury setbacks, fired home from the edge of the penalty area to give his side a 20th-minute lead at Yankee Stadium.
New York City had to make do without star striker David Villa after he was ruled out with a hamstring injury but fellow forward Patrick Mullins made sure of the points when he headed home a second goal from an Andrea Pirlo corner in the 77th minute.
Frank Lampard got on the end of a James Milner cross to give Manchester City the lead against Southampton.
Presenter Christine Bleakley said she and her fiance Frank Lampard are "sending our love and prayers" to Rio Ferdinand and his family following the death of his wife Rebecca.
600 - Frank Lampard has become only the second player (after Ryan Giggs) to make 600 Premier League appearances. Icon.
Stoke boss Mark Hughes has hailed the "class" of Frank Lampard after the former England man swapped shirts with Potters teenager Oliver Shenton this week.
Shenton, 17, made his Premier League debut as a late substitute in Wednesday night's 4-1 defeat to Manchester City at the Britannia Stadium only two days after his mother's funeral.
City midfielder Lampard, who lost his own mother in 2008, sought out fellow midfielder Shenton after the game to have a chat and trade shirts.
And Hughes said on Friday of the incident: "That is a great touch.
"Obviously Frank has lost close family members as well and maybe that resonated with Frank. I think that shows his class."