"We're not going to comment on the process and where it stands," Martins told the Orlando Sentinel on Saturday.
The interview occurred in Las Vegas because the city is the site of the annual
Spurs officials excused Vaughn from coaching in San Antonio's game Friday, but Vaughn coached Saturday in the Spurs' summer-league finale against the Dallas Mavericks.
Magic general manager Rob Hennigan conducted first-round interviews with six candidates and whittled the field down to three:
Martins was going to conduct the second-round interviews and then narrow the list to one or two finalists for meetings with the DeVos family.
Any meeting with members of the DeVos family, including the team's 86-year-old owner, Rich DeVos, and the team's chairman, Dan DeVos, most likely would occur in Grand Rapids, Mich., where the family is based.
Vaughn, 37, has been considered within NBA circles as the Magic's leading candidate for almost a week now — ever since
Vaughn played for the Magic during the 2002-03 season and has spent the last two seasons as a Spurs assistant coach. He also played for the Spurs when Hennigan worked in the team's front office.