Pick the play when the Miami Dolphins’ future seemed brightest this era, and you’d pick that first play two Decembers ago in San Francisco. Coach Mike McDaniel was on a five-game win streak and gut-guessed his mentor, Kyle Shanahan, and defensive coordinator DeMeco Ryans would make a statement by blitzing that opening play. McDaniel made a statement of his own: Tua Tagovailoa threw 11 yards over the middle on a purposely designed counter-attack to Trent Sherfield, who split the linebackers and outran the two-deep safeties for a 75-yard score. “Home run!