After building a 24-point lead midway through the third quarter, the Warriors had deviated from their signature ball movement and allowed a flurry of open driving lanes. A 49-21 Grizzlies run over the final 17 minutes left Golden State wrestling with just its second loss in 13 games. In studying the wreckage, the Warriors recognized the continuation of a disturbing trend: easing up when up big. Having arguably four of the league's top 20 players, including two of its top three, allows Golden State to win most games with ease. A year after its fourth-quarter brilliance helped pave an NBA-record 73 regular-season wins, Golden State is getting away from what it does best down the stretch. Kerr pointed out to his players during video review Saturday that Klay Thompson — the NBA's best catch-and-shoot specialist — was largely ignored during critical stretches in favor of isolation plays. On pace for 69 wins, they lead the league in scoring (117.5 points per game), assists (31.0), blocks (6.2), steals (9.3), field-goal percentage (49.8) and opponent three-point shooting percentage (32.8). In letting up toward the end of games, they have actually helped guard against the...