Código SQL:
Ver original
(SELECT * FROM deportes WHERE (nombre LIKE '%$textoAbuscar%') OR (descripcion LIKE '%$textoAbuscar%') OR (dni LIKE '%$textoAbuscar%') OR (telefono LIKE '%$textoAbuscar%') AND (tipo = $sqlCheck) ORDER BY '$radioSelect') UNION (SELECT * FROM users WHERE (nombre LIKE '%$textoAbuscar%') OR (email LIKE '%$textoAbuscar%') AND (tipo = $sqlCheck) ORDER BY '$radioSelect');
gracias de antemano.