Magna has a pretty good response. Use head movement and rip his body up. Dont forget to work your jab. He has a longer reach so he can hit you...
Re-read your first post and it sounds to me like you need to hit up some jump rope and duck drills.
Go to you tube and look up agility exercises. Theres really so many I cant even begin to go into it it. You can skip to help aglity but not just a...