Arsenal look set to search for alternatives after missing out on RB Leipzig striker Benjamin Sesko. The Slovenian star put pen to paper with the Bundesliga outfit on Wednesday after Arsenal previously believed they had a real chance of landing Sesko. Mikel Arteta was widely expected to target a new striker this summer but reports have since claimed it isn’t the be-all and end-all for him and sporting director Edu Gaspar. There are plenty of options on the market at the moment but Newcastle’s Alexander Isak and Sporting CP’s Viktor Gyokeres could prove too expensive. A move for Ivan Toney is al…