The Los Angeles Dodgers on July 31, 1996, traded him to the Tigers with pitcher John Cummings for outfielder Chad Curtis.

Commenting on Orioles owner Peter Angelos' objection to the Expos move to Washington, Eischen said "He's going to have to suck on it and like it.

Until he broke his arm diving for a ball, Eischen was an integral part of the Nationals bullpen as they led the NL East through the first half of 2005.

A favorite of Frank Robinson's, Eischen spent the first several innings of every game on the top step of the dugout alongside the Hall of Famer.

In 2006, his last in the Majors, Eischen struggled drastically for the first two months of the season and was eventually put on the 60-day disabled list when he was scheduled to have season-ending surgery on his shoulder.