Very skinny middle weight boxer?

im a 15 yrs old boxer im 6ft2 and i weight 163pounds . its really odd because im really really skinny i have the same body of thomas hearns. so i got 2 questions 1st : what is my advantage of being tall and skinny in middle weight or heavy weight class. 2st : can you please name some boxer who is tall and have long limbs at middle weight or heavy weight ( good one please ) THANKS IN ADVANCE **Btw im french so sorry for my bad english