Panthers' Smith agrees to three-year extension Tue Apr 10, 2012 3:21pm EDT (Reuters) - Steve Smith, the Carolina Panthers' all-time leader in receptions and receiving yards, agreed to a three-year contract extension, the National Football League team said on Tuesday. Benefitting from the passing of rookie quarterback Cam Newton, the 32-year-old All-Pro receiver caught 79 passes for 1,394 yards and seven touchdowns last season. The 32-year-old now has 699 career receptions for 10,278 yards and 67 total touchdowns, 59 of them receiving.