https://www.milb.com/video/ray-kerr-turns-in-perfect-frame?t=playerid-678061
Ray Kerr turns in perfect frame | 11/27/2021 | MiLB.com
9/13/21: The Seattle Mariners' Ray Kerr piles up two strikeouts in a perfect relief appearance for the Triple-A Tacoma Rainiers
11 27 2021ray kerrturnsperfect