The Ipswich club was active in the Premier League from 2001 to 2002 .
There are currently six former Premier League clubs competing in League One , namely Blackpool ( 2010–11 ) , Bolton ( 2011-12 ) , Coventry City ( 2000–01 ) , Ipswich ( 1994-95 ) , Portsmouth ( 2009–10 ) and Sunderland ( 2016–17 ) .
EFL League One