San Antonio Spurs head coach Gregg Popovich had a "mild stroke" in November, hasn't coached since, and he's reportedly not expected to return to the bench this season.The 76-year-old missed six games earlier this season before the team announced he had the stroke. He coached the team's first five games of the season.ESPN reported Saturday night that Popovich's future is uncertain amid his recovery.CLICK HERE FOR MORE SPORTS COVERAGE ON FOXNEWS.COM"This has certainly been an unexpected six weeks for my family and me," Popovich said in December. "As we work together on my recovery, I want to take a moment