NFL Preseason 2010: Ranking the San Francisco 49ers Rookie Performances

Mike Singletary has an 'eye' for talent: it's said he reads a young players attitude through said prospect's proverbial windows to the soul.

Singletary looked straight through to some phenomenal specimens last April, and found some motivated youngster who were ready to come out and do some damage.

So far, while some have faded out, many have excelled, and several are vying for starting positions. Here's a look at which rookies have made what kind of impressions.

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