Vladimir Guerrero Jr. lost over 40 pounds in off-season, vows to be better prepared. So far it's paid off

Blue Jays' Vladimir Guerrero Jr. says he lost more than 40 pounds in the offseason

Vladimir Guerrero Jr.'s Trainer and Grandmother Helped With Weight Loss - The New York Times

Vladimir Guerrero Jr.'s Trainer and Grandmother Helped With Weight Loss - The New York Times

Vladimir Guerrero Jr. says he shed 42 pounds over the off-season - The Globe and Mail

MLB Power Rankings: Evaluating the Offseason Moves of All 30 Teams, News, Scores, Highlights, Stats, and Rumors

Vladimir Guerrero Jr. Loses Over 40 Pounds; Feels Quicker - Vendetta Sports Media

Blue Jays' Guerrero says he lost 42 pounds this offseason

Toronto Blue Jays' Vladimir Guerrero Jr. on His 42-Lb. Weight Loss

Baseball has made many significant changes, and now it's time to improve the All-Star Game - The Boston Globe