On 1 January, goalkeeper Jamal Blackman extended his loan spell with League Two club Wycombe Wanderers until the end of the 2016–17 season.

On 4 January, Tottenham ended Chelsea's 13-game winning run by defeating them 2–0 at White Hart Lane.
A brace from midfielder Dele Alli with goals just before and after half time, prevented Chelsea from writing Premier League history with a fourteenth successive win.
However, the result itself did not affect Chelsea's position in the Premier League, with the Blues remaining in first place and five points clear of second-placed Liverpool following their draw with Sunderland.

On 6 January, long-serving midfielder John Obi Mikel completed a move to Chinese Super League club Tianjin TEDA for an undisclosed fee, having played 376 times for the Blues since joining in 2006, winning two Premier League titles, four FA Cups and the 2012 Champions League during his time at Stamford Bridge.
Mikel had not featured under new Chelsea boss Antonio Conte all season, with Mikel himself stating that the time was right for "a new challenge".

Besides, Chelsea recalled young forward Isaiah Brown from his loan spell at Rotherham United, with Huddersfield Town signing him on loan for the remainder of the 2016–17 season.
He joins fellow Chelsea loanee Kasey Palmer at Huddersfield.

On 8 January, Chelsea defeated Peterborough United 4–1 at home in the third round of the FA Cup.
Goals from Michy Batshuayi, Willian and a brace from Pedro ensured that Chelsea would advance into the fourth round.
Chelsea captain John Terry was sent off on his first start for the club since October, but the Blues held on for a convincing victory over Posh.

On the same day, Chelsea exercised a recall clause in Dutch defender Nathan Ake's season-long loan deal at Premier League club Bournemouth, following some impressive performances for the south coast club.

On 13 January, Antonio Conte won the December Premier League Manager of the Month.
As a result, he became the first manager in history to win the award in three successive months.

On 14 January, Chelsea returned to winning ways in the league with a 3–0 victory over last season's Premier League champions Leicester City at the King Power Stadium.
Marcos Alonso opened the scoring early on with Eden Hazard providing the assist, later scoring another to put the Blues 2–0 up shortly after half time.
A third Chelsea goal from Pedro in the 71st minute secured up the three points for the away team, sending Chelsea seven points clear of second-placed Tottenham Hotspur at the summit of the Premier League.
The win and three points also meant that Chelsea had surpassed their points total from the 2015–16 Premier League season, reaching 52 points compared to last season's 50 points.

On 17 January, Brazilian midfielder Lucas Piazon's loan at Fulham was extended until the end of the season.

On 18 January, young forward Patrick Bamford rejoined his former loan club  Middlesbrough on a permanent basis for a reported £6 million.

On 22 January, The Blues defeated Hull City 2–0 at home.
Diego Costa scored at his 100th appearance for the club at the 7th minute of first-half injury time.
The long stoppage was a result of a clash of heads with between Gary Cahill and Hull midfielder Ryan Mason.
Mason was sent to hospital and it was later confirmed that he sustained a skull fracture, while Cahill remained on the pitch and secured the victory with a header goal on the second half.

On 28 January, Chelsea defeated Brentford 4–0 at home in the West London derby in the fourth round of the FA Cup, Branislav Ivanović scored his first goal of the season and was later fouled to allow Michy Batshuayi to add a fourth from the penalty spot.

Youngsters Fikayo Tomori and Mukhtar Ali joined Brighton & Hove Albion and Vitesse respectively on loans until the end of the season.

On 31 January, Chelsea recorded their second draw of the season as they drew against Liverpool at Anfield.
David Luiz scored a stunning freekick on the first half at his 100th Premier League appearance.
It was also his first goal in his second spe
On 1 January, goalkeeper Jamal Blackman extended his loan spell with League Two club Wycombe Wanderers until the end of the 2016–17 season.
On 4 January, Tottenham ended Chelsea's 13-game winning run by defeating them 2–0 at White Hart Lane. A brace from midfielder Dele Alli with goals just before and after half time, prevented Chelsea from writing Premier League history with a fourteenth successive win. However, the result itself did not affect Chelsea's position in the Premier League, with the Blues remaining in first place and five points clear of second-placed Liverpool following their draw with Sunderland.
On 6 January, long-serving midfielder John Obi Mikel completed a move to Chinese Super League club Tianjin TEDA for an undisclosed fee, having played 376 times for the Blues since joining in 2006, winning two Premier League titles, four FA Cups and the 2012 Champions League during his time at Stamford Bridge. Mikel had not featured under new Chelsea boss Antonio Conte all season, with Mikel himself stating that the time was right for "a new challenge".
Besides, Chelsea recalled young forward Isaiah Brown from his loan spell at Rotherham United, with Huddersfield Town signing him on loan for the remainder of the 2016–17 season. He joins fellow Chelsea loanee Kasey Palmer at Huddersfield.
On 8 January, Chelsea defeated Peterborough United 4–1 at home in the third round of the FA Cup. Goals from Michy Batshuayi, Willian and a brace from Pedro ensured that Chelsea would advance into the fourth round. Chelsea captain John Terry was sent off on his first start for the club since October, but the Blues held on for a convincing victory over Posh.
On the same day, Chelsea exercised a recall clause in Dutch defender Nathan Ake's season-long loan deal at Premier League club Bournemouth, following some impressive performances for the south coast club.
On 13 January, Antonio Conte won the December Premier League Manager of the Month. As a result, he became the first manager in history to win the award in three successive months.
On 14 January, Chelsea returned to winning ways in the league with a 3–0 victory over last season's Premier League champions Leicester City at the King Power Stadium. Marcos Alonso opened the scoring early on with Eden Hazard providing the assist, later scoring another to put the Blues 2–0 up shortly after half time. A third Chelsea goal from Pedro in the 71st minute secured up the three points for the away team, sending Chelsea seven points clear of second-placed Tottenham Hotspur at the summit of the Premier League. The win and three points also meant that Chelsea had surpassed their points total from the 2015–16 Premier League season, reaching 52 points compared to last season's 50 points.
On 17 January, Brazilian midfielder Lucas Piazon's loan at Fulham was extended until the end of the season.
On 18 January, young forward Patrick Bamford rejoined his former loan club  Middlesbrough on a permanent basis for a reported £6 million.
On 22 January, The Blues defeated Hull City 2–0 at home. Diego Costa scored at his 100th appearance for the club at the 7th minute of first-half injury time. The long stoppage was a result of a clash of heads with between Gary Cahill and Hull midfielder Ryan Mason. Mason was sent to hospital and it was later confirmed that he sustained a skull fracture, while Cahill remained on the pitch and secured the victory with a header goal on the second half.
On 28 January, Chelsea defeated Brentford 4–0 at home in the West London derby in the fourth round of the FA Cup, Branislav Ivanović scored his first goal of the season and was later fouled to allow Michy Batshuayi to add a fourth from the penalty spot.
Youngsters Fikayo Tomori and Mukhtar Ali joined Brighton & Hove Albion and Vitesse respectively on loans until the end of the season.
On 31 January, Chelsea recorded their second draw of the season as they drew against Liverpool at Anfield. David Luiz scored a stunning freekick on the first half at his 100th Premier League appearance. It was also his first goal in his second spe
2016–17 Chelsea F.C. season