Aaron Donald's offseason training includes battling against knives
http://www.sportingnews.com/nfl/news/aaron-donald-offseason-training-video-knives-la-rams-defensive-tackle/16r7amezzci1h1sam5a8p6oyf9
ナイフ持ってる人とトレしてるけどこれってガチ？それともエイプリルフール？