Gabriel Jesus is set to give Arsenal a major fitness boost. And Kai Havertz is also stepping up his fitness work as the Germany striker also hopes to be in first team contention quicker than expected. Brazil striker Jesus is targeting a return to full training and potential first team action by December to give Arsenal ’s title push a major lift. Jesus, 28, has been recovering after suffering an ACL knee injury in the FA Cup against Manchester United in January. It was a devastating blow for