Tom Verducci on Vlad Guerrero: He hit .318 with 449 home runs. Here is the entire list of players who have done that: Babe Ruth, Lou Gehrig, Jimmie Foxx, Ted Williams, Stan Musial and Guerrero, the only man born in the past 95 years to do so.
On Jeff Kent (same article): Kent hit more home runs (377), drove in 100 runs more times (eight) and batted cleanup more times (1,296) than any second baseman in history
On Fred McGriff: Among eligible players with 10,000 plate appearances who are not connected to PEDs, McGriff is the only one not in the Hall of Fame with an OPS+ greater than 128 (his was 134) and more than 475 home runs (he had 493).
McGriff is a statistical twin of Eddie Mathews and has better numbers than Eddie Murray, both of whom are in Cooperstown. When compared to Bagwell, he has more runs, hits, home runs, RBIs, All-Star appearances and top 5 seasons in HR, OPS and Runs Created than Bagwell—and is the far superior postseason player.
Billy Wagner: Great rate stats, but Wagner never did enough heavy lifting and never changed baseball history. Wagner has the lowest ERA and lowest WHIP of any reliever with at least 900 innings except Mariano Rivera. But Wagner is tied for 141st all-time for saves of more than three outs—just 36, fewer than Armando Benitez and Frank DiPino.