And because he was drafted in 2013 , he did n't need to be added to the 40 - man roster .
Seidenberger , 23 , was a 12th - round pick in 2013 out of Texas Christian University .
Because Seidenberger was drafted in 2013 , Seidenberger did n't need to be added to the 40 - man roster .
Seidenberger , 23 , was a 12th - round pick in 2013 out of Texas Christian University .