Joel Fernando Carreno Decena
- Bats Right, Throws Right
- Height 6'0", Weight 190 lb.
- Debut August 23, 2011
- Final Game September 28, 2012
- Born March 7, 1987 in San Cristobal, San Cristobal, D.R.
Carreno was signed by scout Hilario Soriano for the Blue Jays in 2004 and began his professional career in 2005, pitching for the DSL Blue Jays. That year, he went 2-14 with a 4.15 ERA in 30 innings. Returning to the same team in 2006, he was 8-3 with a 1.53 ERA in 15 starts, striking out 86 batters in 82 1/3 innings of work. In 2007, he pitched for the GCL Blue Jays, going 6-4 with a 2.62 ERA in 12 starts. With the Auburn Doubledays in 2008, Carreno went 5-5 with a 3.42 ERA in 15 games (13 starts), striking out 85 batters in 76 1/3 innings. He split 2009 between the Doubledays and Lansing Lugnuts, going a combined 3-4 with a 3.28 ERA in 16 starts. With the Dunedin Blue Jays in 2010, he went 9-6 with a 3.73 ERA in 27 games (25 starts). He struck out 173 batters in 137 2/3 innings. He was added to the Blue Jays' major league roster after the season.
Carreno spent 2011 with the New Hampshire Fisher Cats of the AA Eastern League, where he went 7-9, 3.41 in 24 games, all but one of them starts. He struck out 152 batters in 134.2 innings and was a mid-season All-Star. He was called up to the Blue Jays in late August and made his debut as a reliever on August 23rd, facing the Kansas City Royals. In 3 1/3 innings, he gave up 4 hits but no runs and struck out 2 while walking none, finishing the game. The Jays were trailing 6-0 when he entered the game, and scored 4 times while he was on the mound, but fell short in their comeback attempt, losing 6-4. He earned his first major league victory on September 11th against the Baltimore Orioles; he pitched a scoreless top of the 8th inning with the score tied at 5 and got the win when the Jays pushed across the eventual winning run in the bottom of the frame.