Troy Polamalu fined $10,000 .

It was an expensive phone call for Pittsburgh Steelers safety Troy Polamalu. The former NFL Defensive Player of the Year has been levied a $10,000 fine from the league office for using his cell phone during a game. Players are prohibited from using cell phone during a game.

It's unclear if Polamalu will appeal the fine or not.

For more coverage of the Steelers go to Steel City Digest at pit.scout.com. Follow me on Twitter: @RavensInsider.