Updated

Detroit Lions tight end Eric Ebron says he has taken some criticism on Twitter about dropping passes.

He says it serves as motivation.

He displayed flashes of promise Monday at practice, quickly running routes and leaping to make catches. The rookie also proved he has a lot to learn, cutting in when he should've stayed out and lining up improperly at least once.

When the Lions drafted Ebron at No. 10 overall in May, some wondered why they put another tight end on the roster.

Ebron, though, has already showed he is athletic enough to line up as a slot receiver. He also may be used in some three-tight end formations with Brandon Pettigrew and Joseph Fauria.

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