The World Boxing Super Series announced the last two participants Wednesday in its upcoming 140-pound tournament. Former WBO lightweight champion Terry Flanagan and unbeaten contender Ryan Martin have joined the eight-fighter field for a tournament that’ll begin on an undetermined date in the fall. Flanagan (33-1, 13 KOs), a southpaw from Manchester, England, and Cleveland’s Martin (22-0, 12 KOs) have join a group that includes Russia’s Ivan Baranchyk (18-0, 11 KOs), New Orleans’ Regis Prograis (22-0, 19 KOs), Belarus’ Kiryl Relikh (22-2, 19 KOs), Scotland’s Josh Taylor (13-0, 11 KOs), Russia’s Eduard Troyanovsky (27-1, 24 KOs) and Sweden’s Anthony Yigit (21-0-1, 7 KOs).