We all know how good Cooper Flagg is at basketball now. But how good was the Duke star as a freshman ... in high school?

Kelly Flagg and Ralph Flagg are parents to three sons, including Cooper Flagg. Here's everything to know about the Duke ...

Maybe it was the sixth. Or the fifth. TJ Maines, a longtime high school basketball coach in Maine, first heard them when Cooper Flagg was in the fourth grade. Wait, what? An imposing 10-year-old ...