In Part 2 of our boxing training series, coach Brian O'Shaughnessy and unbeaten Umar Sadiq explain and demonstrate the jab, cross and one-two.<br /><br />Subscribe for updates - http://goo.gl/meA2GB<br />More boxing news 24/7: http://goo.gl/aJFtws<br />Follow on Twitter: http://goo.gl/VDYVMP<br />Like on Facebook: http://goo.gl/mI5B64<br /><br />SecondsOut is a world leader in boxing entertainment since 1999.<br /><br />Part of the Knockout TV YouTube MCN - http://goo.gl/t77GMc