The Purple Eagles, who had a two-point win over the Saints on Saturday, tied with 22.3 seconds left when Marcus Hammond hit a 3-pointer from the corner. Niagara had missed a pair of free throws but on the second Justin Roberts tipped the ball out to Hammond for his only points of the game.
Campo had 18 points, nine rebounds and a career-high eight assists for Siena (9-3, 9-3 Metro Atlantic Athletic Conference). Stormo added 13 points and eight rebounds and Jalen Pickett had 13 points, seven rebounds and three blocks.
Marcus Hammond, who was second on the Purple Eagles in scoring coming into the contest with 14 points per game, shot only 20 percent for the game (1 of 5).
The Saints, who hadn't played in 20 days until this weekend, evened the season series against the Purple Eagles with the win. Niagara defeated Siena 64-62 on Saturday.
For more AP college basketball coverage: https://apnews.com/Collegebasketball and http://twitter.com/AP--Top25
Elements of this story were generated by Automated Insights, http://www.automatedinsights.com/ap, using data from STATS LLC, https://www.stats.com
Texas Longhorns land transfers Timmy Allen and Devin Askew as Andrew Jones decides to return
The Longhorns landed commitments from Utah transfer Timmy Allen and Kentucky transfer Devin Askew, while junior guard Andrew Jones also announced he will return to Austin for another season.
Louisville men's basketball secures transfer commitment from former Florida guard Noah Locke
Louisville announced Tuesday that former Florida guard Noah Locke has transferred to the program after an impressive perimeter shooting career with the Gators.
Michigan State forward Thomas Kithier enters transfer portal
Michigan State forward Thomas Kithier has entered the transfer portal, he announced Tuesday.