Previously, he served as the pitching coach for the Baltimore Orioles, Milwaukee Brewers, Florida Marlins and Philadelphia Phillies.

Kranitz served as a player-coach with the Pikeville Cubs in 1984 and the Winston-Salem Spirits in 1985, though he pitched a total of three innings in those seasons.

[4] There, he struggled to find the same success as in Florida; in 2008 and 2009 the Orioles' pitching staff posted team ERAs of 5.13 and 5.15, respectively.

On November 1, 2010, Kranitz accepted an offer from the Houston Astros to become their minor league pitching coordinator.

[9] The Atlanta Braves announced on December 6, 2018, that Kranitz had joined manager Brian Snitker's staff.