Patrick McCaw had become the invisible man in this Warriors postseason stampede. [...] with 2015 NBA Finals MVP Andre Iguodala sidelined by a sore knee in Game 2, here came McCaw — suddenly plopped into the heart of the rotation and clearly ready for the assignment. McCaw collected 18 points, five assists and three steals in 27 minutes Tuesday night. [...] if skeptics wondered how the Warriors could replace Iguodala, the savvy anchor of the second unit, McCaw offered a strong response. Head coach Steve Kerr made the suggestion for McCaw to take Iguodala's early minutes. The Warriors could have gone with Matt Barnes instead, but Kerr no doubt remembered the way McCaw ably subbed for Kevin Durant in the first-round series against Portland, starting Games 2 and 3. Acting head coach Mike Brown traced McCaw's readiness to Kerr's habit of stretching his bench and keeping everyone involved. McCaw, a 6-foot-7 rookie from UNLV, often was reluctant to shoot during his inaugural pro season. McCaw worked out, watched video and tried to imitate his fellow mid-sized teammates. Green shadowed Dejounte Murray on a drive to the basket, challenged the shot and forced a feeble floater —...