William Kempner — seen by @armstrongmi | BoxdSeats | BoxdSeats

Mike A's passport

William Kempner

William Kempner

baseball

1

Time seen

Where seen

1 venue

Only from games Mike A saw in person, not their career.

In these games

0.00

ERA

0

K

1.0

IP

Seen with

Games seen in

MIA 1 – NYM 6

May 30, 2026 · Citi Field, Queens

1.0 IP, 0 K, 0 ER