Next up for Walker is a road trip to top-ranked Wenonah in the sub-regional round of the playoffs at 7 p.m. Friday.
Wenonah (29-2) edged Parker 61-59 for the Area 13 title on Monday.
Mortimer Jordan closed the opening quarter on a 15-2 run for a 15-6 lead after the opening quarter. The Blue Devils (22-6) got points from six different players in the opening quarter.
Mortimer Jordan padded its lead in the second quarter and led 27-15 at the half. The Blue Devils led by double digits the rest of the way, taking a 39-27 lead into the final quarter.
For the Blue Devils, Ben Hardiman led a balanced offensive attack with 12 points and six blocks while Mark Louis had nine points and eight assists and Dalton Hudson added eight points.
Walker (6-16) was paced by Jonathan McCants, Denzell Daley and Michael Bridges with seven points each. Riley Graham, Matt McKay and Kenyatta Woods each had four points while Stephen Duncan added two.