BAMAPHIN 22
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He fits the profile. An undrafted free agent running back out of Arizona, he has the speed (sub-4.4 at the NFL Combine) and plays a position of immediate impact on an offense that needs big plays. He also fielded kickoffs in the Dolphins practice Monday night at Sun Life Stadium.
The reason Grigsby wasn't drafted are three-fold: 1) The injury question. He was hampered by shoulder injuries as a sophomore and senior; 2) He didn't show the receiving talent you'd like, catching 25, 12 and 13 passes in his last three years at Arizona; 3) Running backs with any questions are immediately discounted.
It's what he did when healthy as a junior that tells why the Dolphins are interested. He averaged 7.2 yards a carry, scored 13 touchdowns and had five 100-yard games.
Reggie Bush gives the dimension of speed to the backfield. Rookie Daniel Thomas is expected to be the between-the-tackles runner. Grigsby is one of several wild cards.
It's too early to say just what the Dolphins have in him. But put him on the to-be-watched list.
http://weblogs.sun-sentinel.com/spo...log/2011/08/_five_positive_notes_because.html