Defending NBA champion Spurs are rolling into playoffsWinners of 22 of their final 26 games to close last year's regular season — the perfect tuneup to what became a title run — the Spurs are at it again.The Warriors and Atlanta might argue, but perhaps to no avail.Since Feb. 27, no team in the league has a better record, better scoring average, better field-goal percentage or better free-throw percentage than the Spurs — who figure to have a great chance to do the one thing that's missing from their franchise's glistening resume.The five-time champions have never won back-to-back titles."They are rounding into form," said Warriors head coach Steve Kerr, whose team has the No. 1 overall playoff seed."It's usually around the rodeo trip in February where we really kind of turn that corner, but it didn't work out that way this time and it took a little longer," Spurs forward Tim Duncan said.The Spurs have won their last 11 — basically going from No. 7 to No. 2 in the West in that span, although the second seed is far from locked up — and are 15-1 at home since February began.No team in NBA history has ever had a longer such streak; San Antonio's run...