Former Real Madrid midfielder Guti has joined up with West Ham United's pre-season training camp in Austria.
The 35-year-old is currently a free agent after his contract with Turkish club Besiktas expired in November.
It is unclear whether Hammers manager Sam Allardyce will offer the former Spanish international a deal, according to KUMB.com.
Guti won six La Liga titles and three Champions Leagues during a hugely successful 15-year-spell with Madrid.