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Frank Thomas is the most underrated hitter of all time

Craig touched on Frank Thomas' likely retirement this morning and his noting that "Thomas will be an interesting Hall of Fame case" because "the BBWAA can be unfair and irrational" has me preemptively annoyed about a vote that won't take place for at least another five years.

Thomas was my favorite player growing up, which is admittedly an odd sentiment for a Twins fan. However, when The Big Hurt was at his baseball-crushing best my beloved Twins were finishing in fourth or fifth place for eight straight seasons, so they were barely worth following and the White Sox were on WGN just about every day when baseball-watching options were limited.

A 6-foot-5, 250-pound mountain of a man who played tight end at Auburn and was a massive slugger from the moment that he arrived in the majors as a 22-year-old in 1990, the sheer magnitude of Thomas' physical size and offensive numbers made a fan in me immediately. And now, two decades later, I'm here to tell you that he's the most underrated hitter in the history of baseball. Seriously.

Because of what has happened to power numbers and power hitters during the past decade or so Thomas is often talked about as just another great slugger from this era, but that misses the boat in a big way. Albert Pujols is the best player in baseball and surely everyone would agree that at 29 years old he's on track to be a first-ballot Hall of Famer, but look at his numbers compared to Thomas' stats at the same age:

               G       PA      AVG      OBP      SLG     OPS+
Pujols      1312     5696     .334     .426     .628     171
Thomas      1076     4789     .330     .452     .600     182

Pujols has hit .334 with a 1.054 OPS, whereas Thomas hit .330 with a 1.052 OPS through the age of 29. Plus, Thomas' twenties came in a slightly lower-scoring era, which is why his adjusted OPS+ of 182 tops Pujols at 171. Pujols has two MVPs and one batting title while twice leading the league in OPS. Before his 30th birthday Thomas had two MVPs and one batting title while leading the league in OPS four times.

Frank Thomas was Albert Pujols before Albert Pujols. And while it remains to be seen what Pujols does after turning 30, Thomas hit .276/.389/.515 with 264 homers and a 134 OPS+ in 1,246 games. To put that into some context, consider that Jim Rice had a 128 OPS+ for his entire "Hall of Fame career." Add his amazing twenties to his very good thirties and Thomas is a career .301/.419/.555 hitter with 521 homers and a 156 OPS+.

Thomas ranks ninth all time in walks, 18th in homers, 21st in RBIs, 25th in extra-base hits, 29th in times on base, and 37th in total bases. Among players with at least 7,500 career plate appearances, Thomas ranks 11th in on-base percentage, 17th in slugging percentage, 12th in OPS, and 13th in adjusted OPS+. He's also one of just 11 players to win back-to-back MVP awards.

If he's indeed finished playing, Thomas becomes just the seventh hitter in baseball history to retire with 500 homers and a .300 batting average, joining Hank Aaron, Babe Ruth, Willie Mays, Jimmie Foxx, Ted Williams, and Mel Ott. He also joins Ruth, Williams, and Ott as the only players with 500 homers, 1,500 RBIs, 1,500 walks, and a .300 average.

Whether you choose to focus on peak dominance or career longevity Thomas is quite simply one of the greatest 20 or so hitters in the history of the sport and if that doesn't get him into Cooperstown then what use is there in even having a Hall of Fame?