By Alan Smith Jordan Henderson is expected to complete a switch to Ajax by the end of this week after bringing an end to his dismal six months at Steven Gerrard’s Al-Ettifaq. The 33-year-old made 17 league appearances before agreeing to terminate his £350,000-a-week contract with the club – allowing him to sign for another side as a free agent in the January transfer window. But it was not that long ago that the former Liverpool captain was arriving in Saudi Arabia proclaiming his intention to help turn their Pro League into one of the world’s best. Now, however, Henderson has decided half a y…