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Signed as a 17 year old UFA from Venezuela.

Quiroz signed young and was progressing through the Jays system without showing much with the bat. Then in 2002, at High A, Quiroz power developed, he hit 12 home runs and 28 doubles. At AA in 2003 Quiroz stepped it up more, hitting 20 home runs to go with 27 doubles. 2004 was a bit of a step back, Guillermo was injured for most of the year. 2005 was a repeat, injuries and not many at-bats. Quiroz is the Jays number one catching prospect but all the injuries have lowered his prospect status. If he can get back on track Guillermo could hit .260 to .280, with power. Defensively Quiroz is excellent.

2006 Outlook

Quiroz will start at AAA, if he passes through waivers, and should spend at least a half season there. Guillermo needs a little bit more time to work on his hitting and defense before he is major league ready.

2005

Quiroz was another tough year for Quiroz, two more injuries left him with only 121 minor league at-bats, plus some September at-bats when he was called up to the Blue Jays. As a result of the injuries Quiroz was out of game shape and did not play up to his potential in 2005. Guillermo needs to re-establish himself in 2006.

2004

Quiroz was assigned to AAA Syracuse to start the season but he ended up on the DL from early May until late June with a broken hand. Quiroz had only 255 AAA at-bats in 2004, plus some September at-bats when he was called up to the Blue Jays. Partly as a result of the broken hand Quiroz's hitting was off in 2004. Guillermo needs to re-establish himself in 2005.

Here is some of what BA said about Q in their top 20 prospects by league story: "Quiroz has power in his bat and his arm. While his pop times to second base were consistently under 2.0 seconds in 2004, he threw out just 22 percent of basestealers in the IL. He should be good for 20-plus homers annually in the majors, though he does strike out and probably won't hit for a high average." "The injury sapped him of a lot of that raw power," an NL scout said. "Sometimes it takes more time coming back from a hand problem like this one, especially confidence-wise. I think you'll get a better read on what he can do this winter and into next season."

2003

2003 was Quiroz best year yet. 20 home runs, among 41 extra base hits gave hima SLG of .518 and a .890 OPS.

Here is the Batters Box commentary: You think Don Cherry would be a huge fan of this guy? They don’t appear to come much tougher than Quiroz, who played with a collapsed lung late in the season until his breathing became so laboured he couldn’t run the bases. But Quiroz’s real victory wasn’t over his health (he recovered in time to catch one game of the Ravens’ abortive playoff series) so much as over his detractors, who said he was a waste of a $1.2M signing bonus (and I will readily admit that you can count me among them).

There was certainly reason to be skeptical: coming into 2003, GQ’s lifetime minor-league numbers were .224/.308/.360, with a 128/319 BB/K rate in 1,257 at-bats. But he was also only 20 years old, and like his teammate Alexis Rios, Quiroz took to heart his coaches’ instructions to command the strike zone and attack the good pitches. After a blistering April, Guillermo stayed steady: his OBP never dipped below .350 or his SLG below .500 throughout the course of his breakout season. His newfound batting skills simply complement an already fearsome defensive arsenal: he threw out more than 40% of baserunners this season. Despite his solid frame (6’0”, 205 lbs), he’s agile behind the plate and he reportedly handles pitchers very well. In short, Kevin Cash has about one full season to find his batting stroke. Quiroz will start 2004 at Syracuse; if he thrives there, it’s a very short trip to being Toronto’s Catcher of the Future.

2002

Quiroz spent most of 2002 at high A. He raised his BA to .260 and had 41 extra base hits. Quiroz finished with 13 games at AAA.

2001

Quiroz spent all of 2001 at A ball. His BA was under .200.

2000

Quiroz split 2000 between low A and A ball. Again he di not hit much although he did show some power.

1999

Quiroz started at age 17 in the Rookie league and had an unremarkable season.

Season Statistics

2004 Monthly Statistics

Created on ... September 14, 2003