No
Has Mahinmi ever played in a Spurs game, be it regular season, playoff, or finals? No.
Is he on wikipedia's list of National Basketball Association players? No.
Do we classify Len Bias as a Boston Celtics player because he was drafted by them? No.
Do we classify Carl Lewis as a Chicago Bulls player because he was drafted by them? No.
Is Master P categorised as a Toronto Raptors player or a Charlotte Hornets player because he played a few summer league games with both them? No.

, having a jab there? Are you of the belief that you're more up on the subject because of your location? Surely not; you were insistent upon the fact that Erick Barkley and John Salmons played for the Spurs. They never did. So yesterday, why were you categorising them as such? Surely you should know better. Please enlighten me further on the advantages of being a U.S. resident.