How's "making history not done since 1940" special? That'll work for the Boston Red Sox. The mark is this: Anthony has a .400 on-base percentage through his first 43 career games. He's the first American League player in 85 years to achieve that at age-21 or younger, according to statistician @JayHayKid. The last guy to do it: Elmer Valo in 1940.

The Boston Red Sox are pleased with Roman Anthony. The former No. 1 overall prospect has been given a place of honor in Boston's lineup going forward. On Monday, manager Alex Cora revealed that Anthony will be the leadoff hitter for the Red Sox the rest of the season.

This article was originally published on www.si.com/mlb/red-sox as Red Sox All-Stars Have Warning Message For Rest Of MLB On Roman Anthony. The Los Angeles Dodgers had a roster full of superstars that were coming off a World Series title. But the Boston Red Sox had Roman Anthony.