Liverpool owners Fenway Sports Group will be closely monitoring the latest takeover talks within the Premier League. FSG bought into Liverpool in 2010 and their return on investment has already increased ten-fold in value since then. The Boston-based group, who sold a minority stake to fellow US group Dynasty Equity for around £100m last year, are themselves part-owned by another sports investor, Red Bird Capital. Red Bird have a huge portfolio of sports and media assets. And although it has not been smooth sailing of late, they are hugely successful in their field. One technique they routinel…