Allen has earned a batting average of .239 for his career in addition to 357 runs scored and an OPS of .353. He has gone down on strikes 424 times and has walked on 370 occasions, which contributes in part to a .314 on-base percentage. In his MLB career, Allen has drilled 73 baseballs over the fence while knocking in 352 runs. He has amassed a slugging percentage of .039 and he has accumulated 1,216 bases. During his time in professional baseball, he faced a pitcher 3,823 times and has come through with a hit 815 times.
