The Spanish coach has led the Latics to back-to-back relegation survivals, and is thought to be one of the most promising young managers in the English game due to excelling beyond his means.
Martinez has recently talked to Liverpool owners FSG regarding their vacant managerial post, and is also thought to have been a target for Aston Villa.
However, the DW Stadium trainer is thought to have grave reservations about potentially working under a director of football at Anfield, and rejected a move to Villa.
Whelan has confirmed that Wigan’s boss will be back at the club and business will be as usual for next term.
“There will be no adjustment to his current deal,” Whelan told Sky Sports.
“He moves into second year of the deal previously agreed.”
The news will be a real boost for the side, and the club’s fans will hope for a number of new faces in the team for next campaign.
By Gareth McKnight