Villa were all over the place defensively in their 5-5 draw with Nottingham Forest in midweek, but did at least keep a clean sheet in Saturday's 3-0 win over Middlesbrough.
Smith has largely gone with Axel Tuanzebe and James Chester as his centre back partnership, with a complete lack of options at the back playing a major part in that, after Steve Bruce failed to replace John Terry and Chris Samba.
Bruce did though bring in Collins on trial, and Smith has continued to look at him, with an announcement now seemingly imminent on the former Welsh international.
The Daily Mail claim that Collins has agreed a five-week contract with Villa, giving Smith key defensive depth ahead of the busy Christmas period given their lack of options there.
Collins, 35, has already played for Villa having signed from West Ham in 2009, before returning to East London in 2012 after 108 appearances for Villa.
The Veteran centre back will now bring major experience, becoming Smith's first signing as Villa set up a short-term move before seemingly reassessing the situation in January.
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