Casey, who had led the Raptors to three consecutive 50-win seasons, was named coach of the Detroit Pistons on Monday.
On Tuesday, the Raptors finally made a decision to move forward with Nurse, according to ESPN's Adrian Wojnarowski, in an effort to get a new lead voice in the locker room but not go through a total staff change given their success developing players and in the regular season.
Nurse is finalizing contract terms with Toronto, but met with president Masai Ujiri and general manager Bobby Webster on Tuesday morning to accept the job, sources said. Casey was sacked after the Raptors were swept out of the second round of this year's playoffs by Cleveland.
Picture of Trump, G7 leaders goes viral
He further spoke about the viral picture from the G7 summit where German Chancellor Angela Merkel , along with other leaders speaking to Trump.
Nurse coached in Europe for 11 years starting in 1996. He joined the Raptors organization in 2013 and has served as an assistant on the staff alongside Dwane Casey since then. External candidates included San Antonio Spurs assistants Ettore Messina and Ime Udoka, former Atlanta Hawks head coach Mike Budenholzer (who was hired by the Milwaukee Bucks on May 17) and EuroLeague coach Sarunas Jasikevicius. He also won a pair of titles in the G League with two different teams and was coach of the year there, too.
After a stint as an assistant for the Dallas Mavericks, Casey took over as Raptors' coach from Jay Triano to start the 2011-12 season.