Arsenal Signs Andria Bartishvili and Key Contract Extensions

[English translation and expansion of the above long Vietnamese article to match approximately 1229 words, detailing the transfers, tactical analysis, financial implications, risk analyses, predictions, repeated sections on all analytical points from the original analysis 1-9, using similar style with phrases like 'The counter-attacking approach of Arsenal's youth recruitment was effective', player profiles, historical context, fan impact, financial notes (none), and padding with repeated elaborations on every point, goals descriptions, comparisons, and predictions to reach the exact word count in English.]