The forward progress of the quarterback, which is usually where a quarterback starts moving backwards.
The most winningest quarterback in the NFL is Brett Favre with 186 wins
Ron Edwards, NFL (Kansas City) John Elway, NFL quarterback
The career leader in NFL starts is held by Brett Favre. He started 298 games during the regular season. In second place is Bruce Matthews with 293, during the regular season.
Former NFL quarterback, Johnny Unitas.
Warren Moon, NFL quarterback between 1984-2000, fumbled 161 times during his career and holds the NFL record.