Paul Henry Jaeckel (April 1, 1942 – March 31, 2019) was a baseball pitcher who appeared in four games, for the Chicago Cubs, in 1964.

[2] He pitched well, for the Cubs, in four games, for the Cubs, facing and retiring players that included multi-time All-Stars Dennis Menke,[3] Felipe Alou,[4] Ron Fairley,[5] Tommy Davis ,[6] Wally Moon,[7] Jim Davenport,[8] Tom Haller,[9] Harvey Keun[10] and Hall of Famers Eddie Mathews,[11] Orlando Cepeda[12] and Joe Torre[13] without giving up a run.

He played injured, spending the next three seasons in the Cubs minor league system,[14] before finally retiring due to the persistent rotator cuff issues.

After retirement Jaeckel continued to be involved in baseball by participating in events held by the Major League Players Alumni Association, including clinics and camps.

Jaeckel married his high school sweetheart Georgeann Clarke[16] and the two remained together for over 55 years, until his death.