Jazz Chisholm Jr., Yordan Alvarez, Brent Rooker, and Kerry Carpenter headline 9/7/2025 MLB HR props, with value plays beyond the obvious. The piece leans on batted-ball data, lefty-righty splits, weather and park factors, and shopping for odds to maximize round-robin upside. It emphasizes using depth rather than chasing only the marquee names and highlights how small edges can compound in multi-leg bets.