Smith at front of the line in Hogs' backfield

Arkansas running back Trelon Smith carries the ball during practice Saturday, Aug. 7, 2021, in Fayetteville.( Andy Shupe)

Arkansas running back Trelon Smith carries the ball during practice Saturday, Aug. 7, 2021, in Fayetteville.FAYETTEVILLE — Trelon Smith was an unknown commodity for the Arkansas Razorbacks one year ago.

There had been glowing reports about the running back’s agility, power and elusiveness on the scout team from 2019, and former University of Arkansas running backs Coach Jeff Traylor provided emotional testimony about Smith’s makeup and passion for football.

Then ace tailback Rakeem Boyd was hurt in the second quarter of the Razorbacks’ 21-14 upset at No. 16 Mississippi…