The Lancers (11-10, 3-5 Western Athletic Conference) used a 17-4 run to take a 57-46 lead on Heading's layup with 9:25 to go.
The Redhawks (13-10, 1-7) closed the deficit to seven on Morgan Means' 3-pointer that made it 59-52 two minutes later and Seattle would get no closer from there.
De'jon Davis had 12 points and 11 rebounds for Cal Baptist, the fourth double-double of his freshman season.
The Lancers committed just four turnovers and converted 15 points on 10 Seattle turnovers.
Flavors scores 21. California Baptist tops Bethesda 96-62
Ferron Flavors, Jr. scored 21 points on five 3-pointers, five players reached double digits and California Baptist ran away from Bethesda 96-62 Friday night.
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Wofford jets away to fast start, topples Furman 66-52
Chevez Goodwin scored 18 points and Nathan Hoover 17 as Wofford led from wire-to-wire and knocked off Southern Conference leader Furman, 66-52 Friday night.