In the upcoming NBA clash, the Utah Jazz will host the Boston Celtics, an Eastern Conference powerhouse, on December 31st. The home team's recent form has been less than stellar, with only four wins in their last ten games. In contrast, the visiting Boston Celtics are in excellent shape, boasting seven wins in their last ten games, highlighting a clear disparity in current strength and performance. Analysing recent performances, Utah's offensive capabilities have been decent, yet victories have been hard to come by. This is evident in their struggles to contain high-scoring or defensively solid teams. Even in losses, such as against the New York team, they've shown strong scoring efficiency. Their offensive output has been consistently high, often exceeding average scores, demonstrating their tactical execution. The Boston Celtics, on the other hand, have consistently dominated opponents, showcasing impressive defence and mounting comeback wins. Their defence has been particularly notable, holding teams like the Pacers to low scores. Furthermore, the Celtics have demonstrated resilience against formidable opponents. Facing the Heat, the Celtics narrowed the score gap and secured a final, decisive comeback victory. In conclusion, the Utah Jazz face a challenging situation in this match, although they still possess competitive potential. The Boston Celtics, however, hold a significant advantage across various aspects, including both their mental fortitude and tactical approach. The prediction is: Boston Celtics -7.5, Boston Celtics Win, Away.