Norelia and Johnson combined to make 14 of 17 field goal attempts and were the only Eagles (8-7) to score in double figures.
Eckerd, a Division II school, got 15 first-half points from Trevor Young and trailed 34-33 at the break. But the Tritons made just 9 of 29 shots in the second half and suffered a 4-for-27 stretch spanning both halves in which they were outscored 31-9.
Young finished with 18 points on 8-of-9 shooting but was only 1 for 1 in the second half in seven minutes played.
Eckerd closed with an 8-0 run in the final 1:17.
The Tritons led by eight with 8:00 to play in the first half.