Here's a selection from shredded.com.
http://www.simplyshredded.com/the-best- ... -know.html
The first 12 are pure weightlifting stuff. #13 onwards has good stuff applicable to boxers and athletes in general.
13) best way to lift to burn fat
14) best time of day to train
15) best for overall ab development
19) best time to do cardio
Bonus: List of the Worst Training Advice...
Good Training Tips
Re: Good Training Tips
Make sure your shoe laces are properly done up.