Complex sentence: Naysmith was a regular for Scotland in their 2002 FIFA World Cup qualification campaign with his second cap coming in Scotland's 1--0 away win over Latvia on 2 September 2000, coming on as a 46th minute substitute for David Weir.
Split into simpler sentences: Naysmith was a regular for Scotland in their 2002 FIFA World Cup qualification campaign. His second cap was in the 1--0 win in Latvia on 2 September 2000, when he came on as a half-time substitute for David Weir.