Raffa scored 13 of his points during that game-breaking run by the Chanticleers (3-5), who shot 52.7 percent (29 of 55) for the game.
The Eagles (2-12), a National Christian College Athletic Association team that lost its 12th game in a row, didn't get their first field goal of the second half until 7:07 remained. They made 3 of 17 shots (17.6 percent) in the final 20 minutes after shooting 44.4 percent (8 of 18) in the first half and trailing 34-25 at the break.
Kierre Greenwood added nine points and eight assists for Coastal Carolina, which scored 33 points off 25 Toccoa Falls turnovers.
Josh Barrett scored 20 points to pace the Eagles.
Seton Hall sophomore Isaiah Whitehead will stay in the NBA draft and not return for his junior season.
Washington State's trio of Josh Hawkinson, Conor Clifford and Ike Iroegbu have withdrawn from the NBA draft and will play their senior season with the Cougars.
Gonzaga center Przemek Karnowski, who missed most of last season with a back injury, says he is returning for another year.