Arkansas coach Bobby Petrino announced at his weekly press conference earlier today that running back Michael Smith could miss Friday’s game against LSU because of a hamstring injury.Arkansas Sports Information Director Philip Pierce told The Daily Reveille that the Razorbacks are preparing to play without Smith.Smith, who has eight rushing touchdowns, is the Southeastern Conference’s fourth leading rusher with 1,072 yards this season. But he is second in the conference in rushing yards per game, averaging 107 per contest.—-Contact The Daily Reveille’s sports staff at [email protected]