On September 27, 1963, before 5,802 at Colt Stadium the Houston Colt .45s make history by using a lineup of nine rookies. The lineup includes Hall of Famer Joe Morgan and future hitting stars Rusty Staub and Jimmy Wynn. The Colt .45s lose the game, 10-3, to the New York Mets.

At 20 yrs 13 days Morgan was the 4th oldest. Jim Wynn was the oldest at 21 yrs 229 days. Pitcher Jay Dahl was the youngest at 17 yrs 295 days.