For the 8,759 official at-bats in his pro career, Simmons has a batting average of .334 and has racked up 2,927 hits. He has hit the long ball 307 times, with 4,685 total bases and also a .010 slugging percentage. Simmons has drawn a walk 615 times while going down on strikes on 737 tries. He has accumulated 1,507 runs and also has 1,828 RBIs. His on-base percentage sits at .380 and he holds a career OPS of .390.
