Mark Ingram faster, Julio Jones watches from sidelines on crutches. Mark Ingram used Alabama’s pro day to prove he's faster than he showed at the NFL combine. The Heisman Trophy-winning tailback says he heard he ran anywhere from a 4.47 to a 4.53 40 time from NFL officials on Wednesday at Alabama's indoor facility. Either is a big improvement from the 4.62 he clocked at Indianapolis. Ingram says he'd watched that run a number of times and worked on his technique because "I knew I could run faster." He also went through position drills in the Crimson…