Tainio, 28, who can play in midfield and defense, has signed a three-year deal with Sunderland.
Spurs full-back Pascal Chimbonda and midfielder Teemu Tainio have also moved from White Hart Lane to Wearside.
Spurs made a switch at half-time, with former Liverpool midfield man Danny Murphy coming on for Teemu Tainio.
Sunderland also confirmed that midfielder Teemu Tainio has left the club.
Lennon guided Berbatov's cross into the path of Tainio, with a sublime backheel on the volley, and the Spurs midfielder made no mistake from 10 yards.
Keane has had a busy summer in the transfer market, signing experienced Premier League players such as Pascal Chimbonda, Teemu Tainio, El-Hadji Diouf and Steed Malbranque.
Under normal circumstances, that responsibility would fall to Teemu Tainio or Rafael Marquez, but Tainio is also hurt and Marquez is serving a three-game ban for kicking an opponent.
Sunderland have agreed fees with Tottenham for all three, with French international defender Chimbonda likely to be the first to go, having met Keane with Tainio at the weekend.
Andre Ooijer, Stephen Warnock, Keith Andrews, Jason Roberts and Pedersen also returned to the side, while Sunderland manager Roy Keane settled for bringing in Teemu Tainio to replace Jordan Henderson in midfield.
Gone are the likes of Estonian midfielder Joel Lindpere, Teemu Tainio, of Finland, Norway's Jan Gunnar Solli, and even Rafa Marquez, the former Barcelona defender, who endured a turbulent two-and-a-half-year spell here.
Cattermole got his second yellow card and was sent off for a foul on Teemu Tainio five minutes from time and, as both sides pushed forward for a late winner, substitute Daryl Murphy failed to get enough on a header from six yards out.
应用推荐