A comprehensive analysis forecasts performance regression in 2024 for 10 MLB players based on advanced metrics.

Chicago Cubs' Cody Bellinger and Cleveland Guardians' Shane Bieber are among those expected to struggle due to declining metrics.

Atlanta Braves' Bryce Elder's poor second half of the 2023 season signals potential issues for the next year.

Washington Nationals' Josiah Gray, Colorado Rockies' Nolan Jones, and Minnesota Twins' Edouard Julien are also predicted to face declines.

Los Angeles Dodgers' Clayton Kershaw's performances may be hindered by health issues and deteriorating pitching indicators.

Detroit Tigers' Matt Manning, despite 2023 success, shows concerning underlying stats for future performance.

Isaac Paredes' and Geraldo Perdomo's standout seasons are not expected to be sustainable, based on expected stats.