Undefeated Welterweight Rylan Charlton has signed a multi-fight promotional deal with Eddie Hearn’s Matchroom Boxing. ‘Pint Size Powerhouse’ (6-0-1, 3 KOs) was last seen wiping out the previously unbeaten Benwell prospect Joe Laws in three destructive rounds on the Lewis Ritson vs. Miguel Vazquez undercard in October. Charlton sent Laws crashing to the canvas three times as he inflicted …