The MP that is common amongst all Mizuno muscle back irons stands for Mizuno Pro. This is the high end line at Mizuno which is designed for players with low handicaps who strike the ball out of the center of the face consistently. Additionally, these model irons are designed to have higher ball flights and better feel to help low handicap players shoot lower scores. , Intro: This will answer the question of what MP means on the Mizuno brand and specifically the MP 225 Iron set.
Answer: Mizuno Pro is what the MP means on the Mizuno iron sets.
Conclusion: Mizuno has various iron sets and the MP in their products stands for Mizuno Pro (for instance Mizuno MP 225). , The MP in all Mizuno golf clubs stand for Mizuno Pro. When Mizuno first came to market with the MP line, the clubs were targeted for higher level, lower handicap golfers, thus the "pro" line. Since then, although the MP line does prioritize feel and workability over the JPX line, Mizuno has introduced more forgiveness making the MP line more accessible.