Mike Marshall joins Team LeftJab Boxing Radio to talk about his big upcoming fight against Luther Smith who is 5-1 and makes this Mike's toughest fight to date.Marshall gives the details on how the fight came to be made,how training camp is going and what he needs to do to get this crucial win for his career.We also get Marshall's thoughts on PBC's ups and downs,Jacobs not facing GGG in 2016 and Kovalev vs Ward.