John Jaso

John Edward Jaso (/ˈdʒeɪsoʊ/; born September 19, 1983) is an American former professional baseball first baseman. Jaso mostly served as a designated hitter and catcher throughout his career, but had to stop catching due to concussion issues. Hit the first cycle at PNC Park against the Cubs on September 28, 2016.¹

Basics

• Positions
  • Catcher
  • First Baseman
  • Designated Hitter
• Major League Debut
  • September 6, 2008, for the Tampa Bay Rays
    • Pinch hit for Justin Ruggiano in the 13th inning against the Toronto Blue Jays. He ground out.²
• Last MLB Appearance
  • October 1, 2017, for the Pittsburgh Pirates
    • Pinch hit for David Freeze in the 7th inning against Washington Nationals. Austin Adams struck him out looking. Plate umpire was Chris Guccione.³

Teams Played For:

• Hudson Valley Renegades: New York – Pennsylvania League (A-)
• Southwest Michigan Devil Rays: Midwest League (A)
• Visalia Oaks: California League (A+)
• Montgomery Biscuits: Southern League (AA)
• Scottsdale Scorpions: Arizona Fall League
• Durham Bulls: International League (AAA)
• Tampa Bay Rays: MLB
• Leones del Caracas: Venezuelan Winter League
• Seattle Mariners: MLB
• Oakland Athletics: MLB
• Charlotte Stone Crabs: Florida State League (A+)
• Pittsburgh Pirates: MLB

Career MLB Stat Line

WAR	10.9
AB	2224
H	573
HR	55
BA	0.258
R	295
RBI	281
SB	16
OBP	0.356
SLG	0.407
OPS	0.763
OPS+	112

Transfers⁵

• June 3, 2003
  • Drafted by the Tampa Bay Devil Rays in the 12th round of the 2003 amateur draft from Southwestern College.
  • Player signed June 9, 2003.
• November 2008
  • Signed with Leones del Caracas (Venezuelan Winter League)
• November 27, 2011
  • Traded by the Tampa Bay Rays to the Seattle Mariners for Josh Lueke and player to be named or cash.
• January 16, 2013
  • Traded as part of a 3-team trade by the Seattle Mariners to the Oakland Athletics.
  • The Oakland Athletics sent a player to be named later, A.J. Cole and Blake Treinen to the Washington Nationals.
  • The Washington Nationals sent Mike Morse to the Seattle Mariners.
  • The Oakland Athletics sent Ian Krol (March 20, 2013) to the Washington Nationals to complete the trade.
• January 10, 2015
  • Traded by the Oakland Athletics with Boog Powell, Daniel Robertson and cash to the Tampa Bay Rays for Yunel Escobar and Ben Zobrist.
• November 2, 2015
  • Granted Free Agency.
• December 23, 2015
  • Signed as a Free Agent with the Pittsburgh Pirates.
• November 2, 2017
  • Granted Free Agency/Retired

Injured List

• Thursday, July 14, 2011 thru Friday, August 19, 2011
  • DL – right oblique strain
• Monday, August 25, 2014 thru Sunday, September 7, 2014
  • DL-7 Concussion Foul ball off his mask
• Monday, August 25, 2014 thru Sunday, September 7, 2014
  • DL-7 Concussion
• Sunday, September 7, 2014 thru Wednesday, October 1, 2014
  • DL-15 Concussion
• Friday, April 10, 2015 thru Monday, April 27, 2015
  • DL-15 Left wrist contusion Collision with Ryan Flaherty while trying to reach 2B⁶

---

1. John Jaso, https://en.wikipedia.org/w/index.php?title=John_Jaso&oldid=1169708622 (last visited June 22, 2024). ↩︎
2. See game pitch by pitch from Retrosheet. ↩︎
3. See game pitch by pitch from Retrosheet ↩︎
4. Career Stats from Baseball Reference ↩︎
5. The information used here was obtained free of charge from and is copyrighted by Retrosheet. Interested parties may contact Retrosheet. Excepting the contract with Leones del Caracas, as Retrosheet does not follow foreign winter leagues. That detail was extrapolated from Baseball-Reference’s page showing that Jaso played for Leones in November and December 2008. ↩︎
6. Injury information from Baseball Cubed ↩︎