[ad_1] Tremendous middleweight prospects Kalvin Henderson and Isaiah Steen will sq. off on July 23, Showtime introduced Friday. The ten-round bout will happen at Heartland Occasions Middle in Grand Island, Nebraska and can headline a three-bout ShoBox telecast (Showtime, 9 p.m. ET/ 6 p.m. PT). The ShoBox: The New Era card on July 23 will […]
