Draymond Green reacts to Victor Wembanyama declaring himself the front-runner for MVP. (1:55) The Oklahoma City Thunder concluded their longest road trip of the season -- five games across 10 days -- with a loss to the Boston Celtics on Wednesday night. It was the Thunder's first loss in a month, but the defending champs boarded their jet home with only a two-game lead atop the Western Conference. That's because the San Antonio Spurs, who also won Wednesday night, are a remarkable 23-2 since Feb. 1, leaving them right on Oklahoma City's heels -- and while also holding the tiebreaker thanks to a 4-1 edge in the season series. Despite their own stellar 15-2 mark since the All-Star break, the Thunder simply can't break away, underscoring one of the biggest questions coaches, scouts, executives and players are asking: Can a team full of 20-somethings and a coach in his first full season at the helm shock the world? That doesn't mean just passing OKC in the standings. Or even winning the conference finals.…