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); }