The Black Cats are just three points adrift of the play-offs but the axe has been wielded and Mowbray’s tenure has been brought to an end. His trusted lieutenant, assistant Mark Venus, has also left the club.
Sunderland will be led by former Birmingham City academy manager Mike Dodds on an interim basis. The sacking is the second of the day in the Championship, following Swansea City’s dismissal of Michael Duff.
Sunderland’s sporting director Kristjaan Speakman said: “All at SAFC have thoroughly enjoyed working with Tony and he is quite rightly held in high regard by our players and staff, and our supporters.
“After arriving at an uncertain time, he helped guide us to the Sky Bet Championship play-offs and played an important role in developing our team. This was a difficult decision to make, but we remain loyal to our ambition and our strategy, and felt that now was the right moment to take this step.
“We are now focused on identifying the right candidate and we will continue to support our coaching team and players throughout the interim period.”
Black Cats chairman Kyril Louis-Dreyfus added: “I would like to place on record my gratitude to Tony for his hard work and commitment to Sunderland, a place where he will always be welcome.
“After arriving at an uncertain time, he helped guide us to the Sky Bet Championship play-offs and played an important role in developing our team. This was a difficult decision to make, but we remain loyal to our ambition and our strategy, and felt that now was the right moment to take this step.
“We are now focused on identifying the right candidate and we will continue to support our coaching team and players throughout the interim period.”
Black Cats chairman Kyril Louis-Dreyfus added: “I would like to place on record my gratitude to Tony for his hard work and commitment to Sunderland, a place where he will always be welcome.