Keane rejoined Tottenham on 2 February 2009, signing for a basic fee of £12 million, potentially rising to £16 million with add-ons.
The deal meant that the cumulative transfer fees paid for Keane over his career amounted to around £75 million.

He signed a four-year contract with the north London club.
Keane was one of three players to make returns to Tottenham during the transfer window, along with Jermain Defoe and Pascal Chimbonda.
He was also made Tottenham vice-captain a week later, after often deputising for Ledley King during his first spell there.
He was cup-tied for Spurs' appearance in the 2009 Football League Cup Final.
Keane scored his first goal since his return to the club on 4 March, opening the scoring in the crucial 4–0 home victory against Middlesbrough.
He followed this up by scoring another vital goal, this time a last-minute equaliser, away to Sunderland in a 1–1 draw on 7 March.

Soon after Keane's return to White Hart Lane, railway service Virgin Trains ran an advertisement with the slogan "A Liverpool to London return faster than Robbie Keane."
On his return to Liverpool on the final day of the season, he scored in a 3–1 defeat.
He received a generally warm reception from the fans despite scoring against them.

On 31 July 2009, Keane captained Tottenham to winning the Premier League Asia Trophy in a pre-season competition in China.
He scored twice in the 3–0 win over Hull City inside Beijing Workers Stadium.
On 26 September 2009, Keane scored four goals in a 5–0 win over Burnley.
During Tottenham's League Cup Fourth Round match, Keane scored one of two goals against Everton on 27 October 2009 at White Hart Lane.
He continued his scoring form with another against Sunderland in their 2–0 home win on 7 November 2009.
Keane rejoined Tottenham on 2 February 2009, signing for a basic fee of £12 million, potentially rising to £16 million with add-ons. The deal meant that the cumulative transfer fees paid for Keane over his career amounted to around £75 million.
He signed a four-year contract with the north London club. Keane was one of three players to make returns to Tottenham during the transfer window, along with Jermain Defoe and Pascal Chimbonda. He was also made Tottenham vice-captain a week later, after often deputising for Ledley King during his first spell there. He was cup-tied for Spurs' appearance in the 2009 Football League Cup Final. Keane scored his first goal since his return to the club on 4 March, opening the scoring in the crucial 4–0 home victory against Middlesbrough. He followed this up by scoring another vital goal, this time a last-minute equaliser, away to Sunderland in a 1–1 draw on 7 March.
Soon after Keane's return to White Hart Lane, railway service Virgin Trains ran an advertisement with the slogan "A Liverpool to London return faster than Robbie Keane." On his return to Liverpool on the final day of the season, he scored in a 3–1 defeat. He received a generally warm reception from the fans despite scoring against them.
On 31 July 2009, Keane captained Tottenham to winning the Premier League Asia Trophy in a pre-season competition in China. He scored twice in the 3–0 win over Hull City inside Beijing Workers Stadium. On 26 September 2009, Keane scored four goals in a 5–0 win over Burnley. During Tottenham's League Cup Fourth Round match, Keane scored one of two goals against Everton on 27 October 2009 at White Hart Lane. He continued his scoring form with another against Sunderland in their 2–0 home win on 7 November 2009.
Robbie Keane