Rookie seasons are full of firsts, and first-year running back recorded of the biggest on .Down 21-0 early Miguel Andujar Jersey in the second quarter, Atlanta had just one first down to their name and was desperately in need of momentum. As they've done all season, the Falcons turned to the ground game and were rewarded in a big way.Led by Allgeier and second-year runner Caleb Huntley, the Falcons marched 75 yards on 16 plays for their first touchdown of the contest, Johnny Damon Jersey taking over 10 minutes off the clock in the proce s.Allgeier had nine carries for 29 yards on the drive, capping it off with his first career score.Allgeier, 22, received his third consecutive start in place David Robertson Jersey of the injured Cordarrelle Patterson. Entering Sunday, Allgeier had 54 carries for 235 yards, an average of 4.4 yards per carry.The fifth-round rookie out of BYU was inactive in Week 1 but has received at least 10 touches in five of the six games since, counting Sunday in Cincinnati.Scroll to ContinueAllgeier ended the first half with Didi Gregorius Jersey 11 rushes for 42 yards and a score, and he appears poised to play a key role down the stretch as the Falcons trail the Bengals 28-17 at the break.Regardle s of the final score, Allgeier will always remember Sunday in Cincinnati, as one's first profe J.A. Happ Jersey sional touchdown happens only once.