With only four MLB games on September 23, bettors can still find promising opportunities. The Arizona Diamondbacks are in a Wild Card race, boosting confidence for players like Ketel Marte and Corbin Carroll, who are expected to shine against the San Francisco Giants.

Meanwhile, Vladimir Guerrero Jr. offers hope for the Toronto Blue Jays as they face the Boston Red Sox, despite a challenging season. All eyes are on these key players as they aim to deliver standout performances.