Thatcher played in West Ham's friendly against Villarreal on Saturday
West Ham boss Alan Curbishley is unsure whether he will sign former Wales international full-back Ben Thatcher.
Thatcher, 32, is on trial with the Hammers after being released by Charlton but was booed by fans during Saturday's 1-1 draw with Villarreal.
"We've a few injury niggles at the back and I am looking for some experienced cover," Curbishley told BBC Sport.
"Ben is steady but he has a couple of clubs interested in him and I will have to have a think about it."
Thatcher, who began his career at Millwall before stints with Wimbledon, Tottenham, Leicester City and Manchester City, has also been on trial with Ipswich and Wolves this summer.
Curbishley is facing starting the season without a recognised left-back because of injuries to George McCartney and Jonathan Spector and says he is looking to make new signings.
Craig Bellamy will miss the start of the season with a hamstring injury and Kieron Dyer's comeback is on hold after he suffered a stress fracture to the same leg he broke in August 2007.
"Over the summer I have had one or two players come back from long-term injury but have had another two go out," Curbishley explained.
"I am looking to try to add to the squad. I think I need to try to strengthen."
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