It ain't Sheryl Swoopes or Maya Moore ... no, the WNBA's G.O.A.T. is Diana Taurasi -- at least, that's according to former UConn guard Jen Rizzotti.
The Huskies hooper -- who's currently the president of the Connecticut Sun -- gave Taurasi the crown this week ... just days after the Phoenix Mercury star announced her WNBA retirement.
Launch Gallery Launch Gallery Getty"She's the ultimate winner," Rizzotti told TMZ Sports, "and she's proven that she can win championships no matter what jersey she has on.