Sean O'Sullivan vs Zach Jackson

Sean O'Sullivan and Zach Jackson compared on their MLB careers: Sean O'Sullivan played 7 seasons, 2009 to 2016, Zach Jackson 3 seasons, 2006 to 2009. Sean O'Sullivan has 13 wins to Zach Jackson's 4.

Who has the better career numbers?

Sean O'Sullivan and Zach Jackson career totals
71GP22
13W4
23L5
6.0ERA5.8
323.2IP105.1
158K63
115BB34
1.6WHIP1.6
0SV0

Titles and awards

  • Sean O'Sullivan: 0 championships; none on file
  • Zach Jackson: 0 championships; none on file

Awards come from the league’s published winner lists; a championship counts a season played for the club that won it.

Season by season

Lined up by career year, not by calendar: each row is the players’ nth season.

Sean O'Sullivan and Zach Jackson season by season
W: Games in which this pitcher was credited with the win.L: Games in which this pitcher was charged with the loss.ERA: Earned runs allowed per nine innings pitched — lower is better. Under 3.00 is excellent.W: Games in which this pitcher was credited with the win.L: Games in which this pitcher was charged with the loss.ERA: Earned runs allowed per nine innings pitched — lower is better. Under 3.00 is excellent.
1st2009425.922006225.40
2nd2010465.492008235.55
3rd2011267.252009009.35
4th2013023.96
5th2014016.39
6th2015166.08
7th2016206.75

What the columns mean: W · L · ERA