The Chandler Pumas suffered a heartbreaking defeat Wednesday, losing 18-14 to the Oakland Dynamite and being eliminated from the AYF Cadet National Championships in Orlando.

(Game photos, click here).

The Pumas took a 14-12 lead late in the fourth quarter on a quarterback sneak by Ty Sifferman and Sifferman's successful conversion kick.

The Dynamite then drove 82 yards and punched in the game-winning touchdown with just 22 seconds remaining in the game, handing Chandler its second loss in two tries at Nationals.

Sifferman's 40-yard pass to Max Johansen gave Chandler a 6-6 tie at the half. The Dynamite took a 12-6 lead late in the third quarter.