Chelsea manager Jose Mourinho will not lobby owner Roman Abramovich for funds in the January transfer window in order to cure the club's current problems. Defeat to newly promoted AFC Bournemouth via Glenn Murray's 82nd minute header leaves the Blues three points above the relegation zone after 15 games while they also lie on the precipice in the Champions League.

Defeat to FC Porto at Stamford Bridge will likely see the west London outfit fail to qualify for the last 16 of Europe's premier club competition and The Times understands it could lead to Mourinho being removed as manager two-and-a-half years into his second spell in charge. The club have been linked with a host of players ahead of the January window including Leicester City hitman Jamie Vardy, Atletico Madrid's Antoine Griezmann and West Bromwich Albion forward Saido Berahino.

Mourinho's side's campaign has been defined by the underperforming of several of the players who inspired Chelsea to their fourth Premier League title last summer. Eden Hazard, Diego Costa and Cesc Fabregas have been among the key underachievers but Mourinho says the club must dig themselves out of the hole they have created rather than relying on the market.

"Well, we have a good striker in Diego, a good striker in [Loic] Rémy," the Chelsea boss said after the 1-0 loss to the Cherries, according to The Guardian. "They proved last season they could score the goals the team needs. I don't speak about Radamel Falcao because he's been injured for a long time. The reality is that, this season, they are not scoring enough goals for us.

"But, again, I feel that we don't have the right to ask the club for new players. We started the season with this squad. We have to do better. The players have to do better. And it's more about the players having to do better than the club to go to the market. I think people must feel responsibilities. The owner, the board ... they are not responsible for the bad moment. The responsibility of the bad moment is mine and the players'.

Defeat was Chelsea's first against a newly-promoted side in the Premier League since 2001, coming after the club had controlled large periods of the season half. "We didn't deserve to lose this game," Mourinho surmised. "Our opponent – in the period that they thought only of defence – managed to get a goal and there was a clear mistake from the referee. And I think it is a clear handball and penalty with the score at 0-0. So the referee made a mistake, and the linesman made another mistake, but that's football. But in the first half we were not aggressive enough, in the second half we arrived in dangerous positions a lot of time with a lot of crosses from the right-hand side, but didn't score."