The Padres placed McCoy on the 10-day injured list Sunday, retroactive to Sept. 19, with back inflammation.
McCoy is out of the lineup for Sunday's game against the Giants.
McCoy is not in the lineup for Tuesday's game against the Mariners.
McCoy is absent from the lineup for Thursday's game in St. Louis, Jeff Sanders of The San Diego Union-Tribune reports.
McCoy is batting ninth and playing shortstop Saturday against the Mets.
The Padres selected McCoy's contract from Triple-A El Paso on Wednesday, Jeff Sanders of The San Diego Union-Tribune reports.
The Padres reassigned McCoy to minor-league camp Monday.
McCoy signed a minor-league contract, which includes an invitation to big-league spring training, with the Padres on Sunday, Dennis Lin of The Athletic reports.
McCoy was designated for assignment Wednesday, Mike Wilner of the Toronto Star reports.
McCoy was optioned to Triple-A Buffalo on Friday, Kaitlyn McGrath of The Athletic reports.