public IEnumerable <Position> GetOffensePositions()
{
List <Position> offensePositions = new List <Position>();
offensePositions.Add(Quarterback);
offensePositions.AddRange(Receivers.FindAll(f => f.Value != string.Empty));
offensePositions.AddRange(Runningbacks.FindAll(f => f.Value != string.Empty));
offensePositions.AddRange(OffensiveLinemen.FindAll(f => f.Value != string.Empty));
offensePositions.AddRange(TightEnds.FindAll(f => f.Value != string.Empty));
return(offensePositions);
}