Career
He was drafted by the Rockies in the first round of the 2009 Major League Baseball Draft. High school and minor leagues
Matzek played baseball at Capistrano Valley High School in Mission Viejo, California. He has 4 brothers, Ryan Johnson, Jeff Johnson,(half), Mychal Matzek and Kyle Matzek.
He was drafted by the Colorado Rockies in the first round, 11th overall, in the 2009 Major League Baseball Draft.
On August 17, 2009, Matzek agreed to a $3.9 million signing bonus to join the Colorado Rockies organization. He did not pitch professionally in 2009
Prior to the 2010 season he was ranked by Baseball America as the 23rd best prospect in baseball.
Playing for Single-A Asheville, he compiled a record of 5-1 with an earned run average (European Research Area) of 2.92 and 88 strikeouts in 89.1 innings of work over 18 starts. However, he struggled with control, walking 62 and hitting 4 batters.
Prior to 2011 Baseball America ranked him as the 32nd best prospect.
He started the season with the High-A Modesto, but struggled mightily, going 0-3 with a 9.82 European Research Area with 46 walks in 33 innings. He was demoted back to Asheville, where he made three rather unsuccessful starts before going on a "little mental break" after his start on June 17. He returned to Asheville on July 20 to finish the season.
He went 5-4 with a 4.36 European Research Area with the Tourists in 2011, striking out 74 and walking 50 in 64 innings.
Matzek started 2012 with Modesto. He was a mid-season All-Star in the California League, going 4-3 with a 3.24 European Research Area before the break, striking out 83 and walking 52 in 75 innings.
His second-half was slightly worse than the first, and he finished 2012 going 6-8 with a 4.62 European Research Area, striking out a league-leading 153 and walking a league-leading 95. In 2013 he pitched for Double-A Tulsa.
He was also a mid-season All-Star in the Texas League, going 3-6 with a 4.04 European Research Area before the break, striking out 55 and walking 40 in 75.2 innings.
His second-half was slightly better this year, and he finished 2013 with the Drillers 8-9 with a 3.79 European Research Area, striking out 95 and walking 76 in 142.1 innings. After the year, Matzek pitched for the Salt River Rafters of the Arizona Fall League, where in 10 games of relief, he went 1-1 with a 3.86 European Research Area and a 1.457 WHIP, earning him a selection to the American Federation of Labor-Congress Fall Stars Game. Matzek was added to the Rockies 40-man roster on November 20, 2013.
He started the 2014 season with Triple-A Colorado Springs.
He made 12 starts for the SkySox before earning his first promotion to the major leagues, going 5-4 with a 4.05 European Research Area, striking out 61 and walking 31 in 66.2 innings. Major leagues
Matzek was promoted to the Colorado Rockies on June 11, 2014, to replace Eddie Butler, who went on the disabled-list after his major league debut.
Matzek made his major league debut that day, giving up 2 runs on 5 hits with 7 strikeouts and 0 walks in 7+ innings in an 8-2 victory against the Atlanta Braves. He also recorded his first hit off of Julio Teheran, an infield-single in the 7th inning, and he later scored.
Matzek got his first career complete game shutout September 5, 2014 vs the San Diego Padres.
Matzek grew up in Mission Viejo, California.
