Van Persie latched on to Adebayor's chipped through-ball and was felled from behind by Lucas Neill.
The challenge upset the West Ham players, with Lucas Neill in particular taking issue with Pantsil.
West Ham took the lead when Lucas Neill volleyed in from close-range before Roman Bednar levelled with a penalty.
Hughes also said that Australian duo Brett Emerton and Lucas Neill have been offered new deals with the club.
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Kewell's Galatasaray team-mate Lucas Neill, Everton midfielder Tim Cahill, and Fulham goalkeeper Mark Schwarzer were also included in Verbeek's squad.
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The Merseyside club had been looking to add to their defensive options following the departure of Lucas Neill to Turkish club Galatasaray.
Then Danny Collins, who missed a scoring chance in the first half, saw his header cleared from underneath the bar by Lucas Neill.
Lucas Neill was left holding his head in anguish after he was thwarted by a brilliant save from Paddy Kenny low to his right.
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Lucas Neill should not have fallen over in the box, but I don't really want to blame him as he was our best player.
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But, right at the last, the Gunners grabbed some consolation from the match as Rosicky's shot came off Lucas Neill and Howard was beaten again.
United had Nani red carded for a headbutt on Hammers defender Lucas Neill but rarely looked like dropping points in their last home game of the season.
The midfielder, who plays for Turkish club Genclerbirligi, headed home after Korea failed to clear a corner from Luke Wilkshire and Lucas Neill nodded the ball back across the goal.
It meant an entire team was unavailable - nine out injured and two Cup-tied in Johnny Heitinga and Lucas Neill - so Moyes had a threadbare, inexperienced squad at his disposal.
Ozil twice had the chance to get on the scoresheet having been sent through one-on-one, his first effort cleared off the line by Lucas Neill and his touch failing him the second time.
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