[1] Geltz was born in Newfane, New York to Roxanne, a registered nurse, and John, an electrician.

[5] Before the 2013 season, the Angels traded Geltz to the Tampa Bay Rays for pitcher Dane De La Rosa.

On April 14, Geltz faced four Toronto Blue Jays batters and got four outs for his first Major League win.

[10] Geltz set a Rays franchise record later in the season by retiring 32 batters in a row.

[13] On January 3, 2017, Geltz signed a minor league contract with the Los Angeles Dodgers organization.