Bob Glenalvin vs. A. J. Pierzynski — Career Comparison

Looking at the career totals, Bob Glenalvin and A. J. Pierzynski are closely matched on the surface stats. A. J. Pierzynski posted stronger numbers in slugging (.420 vs .389) and home run production (188 career HR at a higher rate). Bob Glenalvin had the advantage in on-base percentage (.352 vs .324). By the career numbers, A. J. Pierzynski had the stronger overall case — though those totals don't account for the eras and run environments each player worked in.