Pedzisa mutsara unotevera: Mercer akava mugari weIsrael, uye akashanda muIsrael Defense Forces kwemakore maviri. Mercer akatambawo nokuda kweIsrael national basketball team mu1986 FIBA World Championship uye
1987 Eurobasket Championship. Muna 1982, aimbova muBaptist, akatendeukira kuchiJudha. Iye akati kuti "Ndinofunga kuti munogona kundidana kuti muJudha waMesiya kana kuti muJudha wechiKristu. Pandakanga ndiri ikoko ndipo pandakanzwa ndiri pedyo zvikuru naMwari. Ndinodzivirira zvirokwazvo nyika yaIsraeri"... Muna 2006 akaremekedzwa neIsrael Consulate kuSoutheast United States uye akaita mumiriri wepamutemo wezvakanaka zveHurumende yeIsrael.