With the January transfer window now open, we’re taking a look back at the summer window to assess the worst buys from that transfer period for Premier League clubs.

The top five are:

1. Andy Carroll (West Ham from Liverpool) £15,500,000

Carroll has not yet featured in a match for West Ham United since his permanent move was agreed. West Ham’s other big buy of the summer, Stewart Downing, was bought largely to whip in crosses for Carroll. The Downing transfer (£6,000,000) also looks bad business right now but I would argue his value cannot be judged independently of Carroll.

2. Marouane Fellaini (Everton to Manchester United) £27,500,000

Fellaini has been inexplicably poor for Manchester United. He’s been so poor that the Red Devils are looking for more central midfield help this window. What made this an even worse piece of business was that Manchester United’s failure to meet Fellaini’s release clause when it expired days earlier meant they severely overpaid for the player.

3. Andreas Cornelius (F.C. København to Cardiff City) £8,000,000

Vincent Tan’s least favorite signing of the summer has yet to make an impact in English Football. Cornelius may get a fresh start under new manager Ole Gunnar Solskjær who saw Cornelius beat his Molde FK side in Europa League play last season by a late Cornelius strike.

4. Stevan Jovetić (Fiorentina to Manchester City) £25,800,000

Jovetic has featured just five times in all competitions for Manchester City and has seemingly suffered one mystery illness after another keeping him from even making the bench for most of the Blues matches.

5. Jozy Altidore (AZ to Sunderland) £8,500,000

With just one goal twenty matches into the Premier League campaign, the American forward is looking like the worst piece of business among many bad pieces of business from the Black Cats this past summer.

Granted, Altidore hasn’t been on the receiving end of many chances created by Sunderland’s lackluster midfield, but both Sunderland supporters and footballers are now on Altidore’s back — fans have been getting frustrated by Altidore’s poor passing for Sunderland, as well as missing an open goal against Cardiff. Even one of his Sunderland teammates has publicly criticized Sunderland’s attackers, blaming the forwards as the main issue at the club.