(All times Eastern) Schedule subject to change and/or blackouts Sunday, Mar. 31 AUTO RACING 5 p.m. CBSSN ā FIM Womenās Motocross World Championship: The MXGP, Xanadu-Arroyomolinos, Spain 7 p.m. FOX ā NASCAR Cup Series: The Toyota Owners 400, Richmond Raceway, Richmond, Va. 1 a.m. (Monday) CNBC ā AMA Supercross Series: Round 12, St. Louis (Taped) [ā¦]