The midfielder has missed the Sunderland and Wigan games after suffering knee and ankle injuries in the win against Charlton on February 5.
Coach Chris Hughton reported: "Teemu is back in the squad and has trained all week.
"We're in good shape," added Chris. "Andy Reid is hoping to go back into full training next week and Hossam Ghaly is very close as well.
"Lee Barnard is the only player to miss out through injury but he's making good progress as well."
Andy has been out with a knee injury, Hossam is on his way back from a groin problem and Lee is recovering from a foot sprain.
Teemu Tainio is back in the squad for Sunday's big Premiership clash against Blackburn Rovers at the Lane.