Robbins had 198 yards on 15 of 24 passing for the Camels (4-4, 2/3 Pioneer League). Joyner ran for 184 yards on 32 carries. Scoring passes went to Aaron Blockmon -- who had 110 yards receiving -- and Austin Fleming.
Robbins threw a 25-yard scoring pass to Fleming midway through the third quarter and a 47-yarder to Blockmon to give the Camels a 21-0 advantage with 2:36 left in the period.
Joyner ran 59 yards for a touchdown to make it 28-0 with 9:40 to play to seal the win.
Campbell outgained Davidson 398-218. Davidson kicker Trevor Smith had one field goal attempt blocked and he missed a second.
Stockton McGuire threw for 112 yards with two interceptions for the Wildcats (2-8, 0-7) who have lost seven straight.
Schefter: Not 'implausible' Cardinals draft Murray, trade Rosen
Adam Schefter says the door is open for Cardinals head coach Kliff Kingsbury to draft Kyler Murray No. 1 overall and trading away Josh Rosen.
Kingsbury in 2018: I would take Murray 1st pick
Arizona head coach Kliff Kingsbury said in 2018 he'd select Kyler Murray with the 1st overall pick. The Cardinals hold the No. 1 overall pick.
Clemson's Dabo Swinney wins Bear Bryant award for 3rd time in 4 years
Dabo Swinney won the Paul "Bear" Bryant Coach of the Year Award for the third time in four years Wednesday night, two days after leading Clemson to its second College Football Playoff National Championship in three years.
Sources: Kansas OC Chip Lindsey expected to be named Troy's head coach
Chip Lindsey, who joined Kansas as its offensive coordinator last month, is expected to be named head coach at Troy, sources told ESPN's Adam Rittenberg. He replaces Neal Brown, who moved on to West Virginia last week.
OL Myles Hinton, No. 8 prospect in class of 2020, commits to Stanford
Stanford landed its highest ranked commitment since 2012 on Wednesday when 2020 offensive lineman and No. 8 overall prospect Myles Hinton committed to the Cardinal.
Idaho State's Jayson Miller claims physical abuse by coaches
Idaho State University is investigating allegations of physical abuse and inappropriate communication by its football coaches.