While Arsenal's Champions League meeting with Bayern Munich is a match between two of Europe's in-form clubs - both boasting 100% records in the competition, both six points clear domestically - it is also a reunion of, and friendly rivalry between, two key forwards. For either side, victory at the Emirates would bring a top-eight league stage finish and guaranteed place in the last 16 into view, while maintaining a superb start to the domestic season. The Gunners have lost only once across all