Never mind the final score. Never mind how the Dodgers’ six-game winning streak ended or even how many innings Roki Sasaki pitched. The details were trivial. What mattered was that in the 10th start of his second major-league season, Sasaki rediscovered his fastball — and by doing so, might have rediscovered himself. In a 4–3 defeat to the Phillies at Dodger Stadium on Saturday night, Sasaki touched 100 mph twice, including a second-inning fastball to J.T. Realmuto that was clocked at 100.4 mph.