The Texas Tech football team staged its first preseason scrimmage on Saturday, Aug. 9, putting the Red Raiders three weeks away from the season opener against Arkansas-Pine Bluff at Jones AT&T Stadium .

The depth chart probably won't change much between now and then, but the amount of experience the Red Raiders possess means there'll be a lot of competition for playing time. Starting jobs are unsettled at a few positions.

Here are five position battles to watch:

Star safety: John Curry, Mike Dingle and A.J. McCarty

Tech coach Joey McGuire revealed Saturday that his staff has switched Curry's position again, trying to find him playing time. The sophomore from Coronado has gone from Ben Roberts' backup at field inside linebacker last season to Jacob Rodriguez's backup at b

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