It was a cruel finish for Black Cats boss Roy Keane, who will wonder how his side left White Hart Lane with nothing after a determined second-half performance.

BBC: Tottenham 2-0 Sunderland

On Saturday, when Carnegie Mellon's robotic Chevy Tahoe, known as "Boss, " rolled across the finish line of the Defense Advanced Research Projects Agency (DARPA) Urban Challenge in Victorville, Calif.

FORBES: Viva La Robotic Revolution!

The former QPR boss led Swansea to a seventh-placed finish in the Championship last season, missing out on the play-offs by a single point.

BBC: Leicester City sack manager Paulo Sousa

"I think back to that great quartet of strikers - Dwight Yorke, Andy Cole, Teddy Sheringham and Ole Gunnar Solskjaer - who all had a ruthlessness and concentration that saw them determined to finish off games, " the Old Trafford boss added.

BBC: Sir Alex Ferguson warns Man Utd ahead of Liverpool game

The result does further damage to boss Rafael Benitez's public guarantee that Liverpool will definitely finish in the top four, with Anfield totally subdued at the final whistle as Arsenal dealt comfortably with a succession of aimless long balls.

BBC: Liverpool 1-2 Arsenal

And Smith, who led Rangers to nine successive league titles in his first spell as Ibrox boss, admits that his current squad face a challenging task to finish the season as league leaders.

BBC: Novo happy to remain at Rangers

Redknapp left Portsmouth to take over as Spurs boss in October 2008 and guided them from the bottom of the league to an eighth-place finish.

BBC: Manager Harry Redknapp signs extended deal at Tottenham