When the New York Yankees' 6-foot-7 rookie Spencer Jones steps into the batter's box, opposing pitchers know they're in for a challenge. But no one expected just how dangerous his bat could be.

During Friday night's Subway Series clash against the crosstown rival Mets, Jones delivered a jaw-dropping moment that left fans stunned and a pitcher sidelined. Facing Mets right-hander Clay Holmes, Jones connected on a 111.1 mph rocket that screamed straight back up the middle—and straight into Holmes' leg.

The impact was so severe that Holmes crumpled, unable to field the deflection in time to throw Jones out. The play went down in the books as a single for Jones, but the real story was the aftermath. After a tense conversation with trainers and coaches, Holmes stayed in the game initially, but the news got worse. Mets manager Carlos Mendoza later confirmed that Holmes would be out "for a long time" due to a broken leg.

It's a tough break for a Mets team already struggling to find its footing this season. No manager ever plans for a pitcher to go down from a comebacker, and Jones—a rookie finding his rhythm in the majors—certainly didn't intend for this outcome. But when you square up a baseball at that velocity, sometimes the ball goes exactly where it came from, with devastating results.

The Yankees, of course, are thrilled to see Jones hitting the ball with authority. His raw power is a glimpse into why he's one of the most exciting young players in the game. For the Mets, it's another chapter in a season full of misfortune.

As the Subway Series continues this weekend, one thing is clear: when Spencer Jones makes contact, everyone better be paying attention—especially the pitcher.