McDonald and Eric Ebron likely will compete for starting reps at tight end in training camp, Brian Batko of the Pittsburgh Post-Gazette reports.
McDonald has restructured his contract with the Steelers, Adam Caplan of SiriusXM Radio reports. As part of his new deal, he agreed to convert $5.5 million in base salary to signing bonus.
McDonald caught both his targets for 19 yards in Sunday's 28-10 loss to the Ravens.
McDonald had three catches for nine yards in Pittsburgh's 16-10 loss Sunday.
McDonald (concussion) doesn't carry an injury designation for Sunday's game against the Jets.
McDonald (concussion) practiced fully Wednesday.
McDonald (concussion) has been ruled out for Sunday's game against the Bills, Teresa Varley of the Steelers' official site reports.
McDonald (concussion) was limited at practice Thursday.
McDonald (concussion) didn't practice Wednesday.
McDonald suffered a concussion this past Sunday in Arizona, Brooke Pryor of ESPN.com reports.