Warriors player consultant Nash makes big impact right away

[...] the full breadth of Nash's potential impact on the Warriors might have been best conveyed at Friday's practice, his second in Oakland since being hired as a player development consultant.On what was supposed to be the first full day of Steve Kerr's medical leave of absence, the Warriors head coach came to the team's facility for treatment on his back and couldn't help but pop into practice for a bit.Nash played 19 seasons in the NBA, battling a congenital condition called spondylolisthesis — a displacement of the vertebrae in his back.In just two days, it was obvious that Nash impacted the players and probably the head coach.The plan is for the two-time NBA Most Valuable Player to be around the team a few days out of each month, but the Warriors say he's welcome any time.Since he headed back to Southern California on Friday night and won't meet up with the team again until it plays games in San Diego, Los Angeles and Anaheim from Oct. 17-22, the Warriors took full advantage of having him at Friday's practice.Interim head coach Luke Walton altered the practice schedule to highlight pick-and-roll and dribble-drag plays — sets that helped Nash lead some of the NBA's...