Egypt international defender Adam El-Abd joins Swindon from Bristol City on loan until January.
Will Grigg's absence through international duty is a disappointment but Wigan can cope, says boss Gary Caldwell.
Crewe defender George Ray may need surgery after fracturing his cheekbone during the midweek Johnstone's Paint Trophy defeat to Wigan.
Swindon have signed Bristol City defender Adam El-Abd on loan until January.
Steven Pressley has spoken highly of his former club Coventry ahead of this weekend's meeting with his new team Fleetwood.
League Two side Leyton Orient sign Millwall striker John Marquis in a 93-day loan deal.
Leyton Orient have completed the loan signing of striker John Marquis from Millwall on a three-month deal.