Vladimir Gadzhev starts in midfield, while Devon Kelly-Evans is available from the bench...
Mark Venus makes two changes to the side that defeated Port Vale on Saturday, with Jones replacing the cup-tied Andre Wright and Gadzhev coming in for Ben Stevenson.
Lee Burge retains his place in goal, with an unchanged back four. Gadzhev will be partnered by Chris McCann and Gael Bigirimana in a midfield trio, while Jones will operate to the left of the forward three.
Devon Kelly-Evans is available from the bench following his recent hat-trick for the Under-23s, with twin brother Dion Kelly-Evans missing out through suspension.
Coventry City: Burge (GK), Willis (C), Turnbull, Sterry, Page, Gadzhev, McCann, Bigirimana, Sordell, Jones, Agyei.
Subs: Addai (GK), Ricketts, Harries, Stevenson, Dev. Kelly-Evans, Lameiras, Tudgay.
Northampton Town: Cornell (GK), Buchanan, Richards (C), Gorre, McCourt, Phillips, Sonupe, O'Toole, Nyatanga, McDonald, Hooper.
Subs: Smith (GK), Moloney, Beautyman, D'Ath, Byrom, Hoskins, Iaciofano.