THE summer transfer window opened on June 14, and will close at 11pm on August 30.

Oxford United have acted swiftly, with the additions of Sheffield Wednesday midfielder Will Vaulks and West Ham United goalkeeper Jacob Knightbridge.

See all the moves with our Sky Bet Championship transfer tracker below.

Blackburn Rovers

Aodhan Doherty (Linfield, undisclosed)

Burnley

Shurandy Sambo (PSV, free)

Coventry City

Luis Binks (Bologna, undisclosed)

Raphael Borges Rodrigues (Macarthur, undisclosed)

Jack Rudoni (Huddersfield Town, undisclosed)

Hull City

Ryan Giles (Luton Town, undisclosed)

Middlesbrough

Luke Ayling (Leeds United, free)

Delano Burgzorg (Mainz, undisclosed)

Norwich City

Jose Cordoba (Levski Sofia, undisclosed)

OXFORD UNITED

Jamie Cumming (Chelsea, free)

Peter Kioso (Rotherham United, undisclosed)

Jacob Knightbridge (West Ham United, free)

Will Vaulks (Sheffield Wednesday, free)

Plymouth Argyle

Nathanael Ogbeta (Swansea City, free)

Portsmouth

Jordan Archer (QPR, free)

Josh Murphy (Oxford United, free)

Reuben Swann (AFC Sudbury, undisclosed)

Jordan Williams (Barnsley, free)

Queens Park Rangers

Paul Nardi (Gent, free)

Sheffield Wednesday

Ben Hamer (Watford, free)

Svante Ingelsson (Hansa Rostock, free)

Max Lowe (Sheffield United, free)

Yan Valery (Angers, undisclosed)

Stoke City

Eric Bocat (Sint-Truiden, undisclosed)

Ben Gibson (Norwich City, free)

Viktor Johansson (Rotherham United, undisclosed)

Sunderland

Simon Moore (Coventry City, free)

West Bromwich Albion

Ousmane Diakite (TSV Hartberg, undisclosed)