The two players shot a combined 16 for 22 from the field and together were 10 for 14 from beyond the 3-point arc. Justin Seymour and Wayne Langston each scored 11 points and Bryce Jones added 10 for Murray State (14-12, 8-5 Ohio Valley).
The Racers shot 58.3 percent (14 for 24) from 3 and passed out 18 assists.
Seymour made three-straight 3s in 65 seconds, catapulting Murray State to a 23-9 lead. The parade of 3s continued with Moss hitting two and McGhee hitting one to make it 35-12 with 8:36 to play before halftime.
McGhee closed out the half with a jumper and another 3 to make it 48-25 at the break.
Joel Angus III led Murray State (5-21, 2-11) with 17 points on 8-for-11 shooting.