Nate Byham #80 of the Pittsburgh Panthers celebrates his touchdown in the second half against the Connecticut Huskies on December 6, 2008 at Rentschler Field in East Hartford, Connecticut.
The San Francisco 49ers have signed rookie tight end Nate Byham to a four-year deal.
The team announced the deal with its sixth-round pick Monday. Byham is the fourth of San Francisco's eight draft picks to sign a contract.
Byham played 48 games at the University of Pittsburgh. He had 10 catches for 108 yards as a senior and was named second-team All-Big East.
Copyright 2010 The Associated Press.