Hartnett has accrued an average at the plate of .297 for his time in baseball in addition to 867 runs scored and an OPS of .352. He has been struck out 697 times and has taken a walk on 703 attempts at the plate, contributing to a .370 on-base percentage. For his pro baseball career, Hartnett has hit 236 balls over the fence while knocking in 1,179 runs. He has amassed a slugging percentage of -.017 and he has a total of 3,144 bases. In his time in the Majors, he came to bat 7,300 times and got on base with a base hit 1,912 times.
