In 2017, Brundage spent his first season as manager of the Sacramento River Cats, Triple-A affiliate of the San Francisco Giants.
Primarily an outfielder—although he appeared in 39 games as a pitcher—his playing career lasted for eight seasons in the Philadelphia and Seattle Mariners' organizations.
He had been traded along with Glenn Wilson and Mike Jackson from the Phillies to the Mariners for Phil Bradley and Tim Fortugno at the Winter Meetings on December 9, 1987.
[5] Brundage threw and batted left-handed, stood 6 ft 3 in (1.91 m) tall and weighed 190 lb (86 kg).
His managerial career began in the Seattle organization in 1995 in the California League, but he has spent much of his career at higher levels of the minors, including six years at Double-A with Seattle affiliates in the Southern and Texas leagues, and 11 seasons at Triple-A with the Tacoma Rainiers (2006), Richmond/Gwinnett Braves (2007–12), and the IronPigs.