Bills running back C.J. Spiller has scored just 12 rushing touchdowns in his four NFL seasons. (Joe Sargent/Getty Images)

It would be easy to be lured in by the fantasy football potential of these players, but the risk is just too high. Stay away from these three at draft time.

3. Rob Gronkowski, Patriots tight end

He’s played 18 games the past two years and tore his ACL last season. He’d be worth the risk late, but he’s the third-ranked tight end.

2. Michael Crabtree, 49ers wide receiver

The 49ers have plenty of receiving options and a run-first offense. Crabtree has averaged more than 60 yards a game one year in his career.

1. C.J. Spiller, Bills running back

The speedster is talented but underused. In four NFL seasons, he has 12 rushing touchdowns. Fred Jackson had nine last year.

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