Arsenal have now decided what they will do with Kai Havertz if they sign RB Leipzig striker Benjamin Sesko this summer transfer window, according to a recent report. The Gunners are in the market for a striker this summer as they look to bridge the gap on title-winners Manchester City, having finished two points behind them at the summit last term. It became pretty evident throughout the season that they’re in need of a prolific number nine as Gabriel Jesus isn’t quite at the level required. Kai Havertz played in the role well but many still feel an upgrade is needed. That said, it has just em…