yeah, I'm racking my brain trying to think of any all-star crossovers from the 60s, 70s, and 80s and the only player I can think of (and I'm not sure if it's right) is Vince Coleman might have had a cup of coffee with us in the late 80s
According the Baseball Reference, him and Larry Herndon are the only players with a 10.0 or higher career WAR with either team from 1945-1997 who played for both teams.
There is a surprising contingent of Cincinnati Reds who played for both the Tigers and Cardinals who have overall WAR above 10.0, but did nothing with the Tigers/Cardinals—Dmitri Young, Eric Davis, Dave Collins.
Damn. Really thought I had a chance of getting this one completely right. Surprised that Cecil was more common than Miggy.
Yeah I thought for sure Miggy was going to have by far the highest number. I was shocked when I saw the Cecil %