He had an assist in 1 : 16 of playing time in a late December win over Memphis .
Playing as a third - string point guard for the San Antonio Spurs , Joseph 's NBA debut was subdued .
Joseph had an assist in 1 : 16 of playing time in a late December win over Memphis .
Playing as a third - string point guard for the San Antonio Spurs , Joseph 's NBA debut was subdued .