Manny Pacquiao is in the midst of an all-time great run and is really putting his name in the ring as far as all-time greats go.
I don't think he is close to the top of that list but he may be close to the top of the list as far as greatest southpaws go.
This isn't an easy list to crack either as you will see. There are some all-time great fighters on this list and some fighters that you may have never heard of.
This list features hall of fame fighters, champions, and fighters that were at the top of their division for years at a time.
So lets kick off the list of the 25 best southpaw fighters.