- Calvin Watkins, ESPN Staff Writer
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OXNARD, Calif. -- The Cowboys signed two offensive linemen, guard Jeff Olson from TCU and tackle James Nelson from UT-El Paso, on Thursday.
Six Cowboys offensive linemen are hurt, so Dallas had a shortage of natural guards available for Sunday's preseason opener against the Miami Dolphins.
Olson was released by Tampa Bay on Monday.
Nelson has an impressive arm length of 36 1/2 inches, which is longer than Luke Joeckel's 34 1/4-inch arms. Joeckel was the No. 2 pick of the 2012 NFL draft by Jacksonville.