Neither team led by more than four points over the final 16 minutes and the last tie was 75-all with 1:14 remaining.
After Marist missed a 3-pointer, Davis scored on a second-chance dunk to give The Citadel a 77-75 lead with 23 seconds to go. Marist's Michael Cubbage missed in the paint with five seconds left and Alex Reed capped the win by making two free throws with four seconds remaining.
The Citadel plays Brevard College at home on Tuesday. Marist plays Army at home next Saturday.
For more AP college basketball coverage: https://apnews.com/Collegebasketball and http://twitter.com/AP-Top25
This was generated by Automated Insights, http://www.automatedinsights.com/ap, using data from STATS LLC, https://www.stats.com
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