The Spurs gave major minutes to three players — Keldon Johnson, Quinndary Weatherspoon, and Drew Eubanks — with no playoff experience, and Lonnie Walker IV, one of their best players on the season, just has six playoff games to his name. “This is all about development, I’ve said that from the beginning,” Popovich said. “The young guys, they get evaluated, we see them playing together and we get to determine how valuable they are in terms of the guys we want to move forward with.”