File Photo: Dave Mandel|Sherdog.com Strikeforce announced the undercard line-up of its April 17 “Nashville” event on Monday, which will include a former local college football standout and the son of a UFC 6 veteran. Strikeforce CEO Scott Coker confirmed to Sherdog.com that Bobby Lashley will not appear for the event, which will emanate from the Bridgestone Arena in Nashville, Tenn., as was previously expected. Coker did not give a reason for the former WWE champion’s exclusion. Lashley, who’s 5-0 in MMA, also splits his time as a TNA pro wrestler. Former University of Tennessee linebacker Ovince St. Preux meets ...