West Ham star James Ward-Prowse has aimed an unashamed dig at David Moyes over his tactics ahead of the do-or-die clash with Bayer Leverkusen. In the summer David Moyes really dug his heels in to sign James Ward-Prowse from Southampton in a £30m deal. For the first half of the season that looked like a great decision as he chipped in with a number of goals and assists for West Ham. But concerns over what Ward-Prowse brings to the team besides set-pieces have looked well-founded during the second half of the campaign. West Ham have just four wins from their last 20 games. Moyes is looking incre…