LEXINGTON — Braylon Heard's first-half touchdown runs of 73 and 43 yards spurred Kentucky to a season-opening, 59-14 rout of Tennessee-Martin on Saturday.Quarterback Patrick Towles added a touchdown passing and running in his first career start for Kentucky, which outgained the Skyhawks 656-398. The Wildcats' sophomore threw for 370 yards, but Kentucky's tailbacks set the tone by flying through huge holes and scoring virtually untouched.Especially Heard, the junior transfer whose yardage came on those two carries. The scores propelled Kentucky to a 35-0 halftime lead and the Wildcats never looked back.Mikel Horton also scored twice and Jojo Kemp added a touchdown run for Kentucky. Khalil Henderson returned a third-quarter fumble 89 yards for a score.The game's final 4 minutes were hushed after a Kentucky cheerleader was injured in a fall. She gave a thumbs-up while being carted off the field, but no further details were immediately available.