Texas Rangers Wieland was drafted by the
Texas Rangers in the fourth round of the
2008 Major League Baseball draft. He signed with the Rangers and did not play for
San Diego State. Wieland had a 1.23 ERA in 7 starts for the RoughRiders.
San Diego Padres On July 31, 2011, Wieland and
Robbie Erlin were traded to the
San Diego Padres for
Mike Adams. He finished the year with the Double-A Missions, posting a 2.77 ERA in 5 starts. He had 8.7 strike-outs per 9 innings across all three clubs in 2011. Wieland started 2012 with the
Triple-A Tucson Padres, but only made 2 starts before he was called up to the Major League team. Wieland was called up to join the Padres' rotation when both
Tim Stauffer and
Dustin Moseley went on the disabled list early in the season. He made his Major League debut on April 14, 2012, against the
Los Angeles Dodgers, allowing six runs in five innings to take the loss. Wieland made five starts for the Padres, losing four of them, and posted a 4.55 ERA before he went to the disabled list in May with shoulder tightness. He underwent a season-ending
Tommy John surgery on July 27, 2012. Wieland began the 2013 season on the 60-day disabled list as he was still recovering from the surgery. He began a throwing program at around mid-season but he suffered a number of setbacks due to soreness and a stress reaction and missed the entire season. He underwent arthroscopic surgery on his elbow at the start of the 2014 season and did not make his return to the Padres until September 6, 2014. In four appearances for the Padres in 2014, he allowed nine runs in 11 innings. He finally picked up his first MLB win on September 24 against the
Colorado Rockies.
Los Angeles Dodgers On December 18, 2014, he was traded to the
Los Angeles Dodgers (along with
Yasmani Grandal and
Zach Eflin) in exchange for
Matt Kemp,
Tim Federowicz and cash. He was assigned to the Triple–A
Oklahoma City Dodgers. Wieland was called up to the Dodgers on May 6, 2015, to start a game against the
Milwaukee Brewers. He allowed six runs in 4 innings and was promptly optioned back to Triple–A following the game. He made a second start on September 9, allowing two runs in four innings. In 21 starts (and one relief appearance) for Oklahoma City, he was 10–5 with a 4.59 ERA. The Dodgers re-signed him to a one-year, $590,000 contract after the season to avoid salary arbitration.
Seattle Mariners On January 12, 2016, Wieland was traded to the
Seattle Mariners in exchange for minor league infielder
Erick Mejia. The Mariners traded Wieland to the
Atlanta Braves on September 14, and he was assigned to the Triple-A
Gwinnett Braves.
Yokohama DeNA BayStars On November 7, 2016, it was announced that Wieland had signed with the
Yokohama DeNA BayStars of
Nippon Professional Baseball for the 2017 season.
Kia Tigers On December 5, 2018, Wieland signed with the
Kia Tigers of the
KBO League. He became a free agent following the 2019 season.
Sugar Land Lightning Sloths In July 2020, Wieland signed on to play for the Sugar Land Lightning Sloths of the
Constellation Energy League (a makeshift four-team independent league created as a result of the
COVID-19 pandemic) for the 2020 season. He was subsequently named to the league's all-star team.
Chicago Cubs On September 10, 2020, Wieland signed a minor league contract with the
Chicago Cubs and was added to their 60-man player pool.
Tampa Bay Rays On May 11, 2022, Wieland signed a minor league deal with the
Tampa Bay Rays. Wieland appeared in eight games split between the rookie-level
Florida Complex League Rays and the Triple-A
Durham Bulls, recording a cumulative 1–1 record and 1.93 ERA with 15 strikeouts in innings pitched. He was released by the Rays on August 15.
Oakland Athletics On January 19, 2023, Wieland signed a minor league contract with the
Oakland Athletics organization. In 23 games for the Triple–A
Las Vegas Aviators, registering a 4–4 record and 8.16 ERA with 27 strikeouts in 32 innings pitched. On July 4, Wieland was released by Oakland.
Chicago Dogs On August 20, 2023, Wieland signed with the
Chicago Dogs of the
American Association of Professional Baseball. In 3 starts for Chicago, Wieland recorded a 1.76 ERA with 24 strikeouts across innings pitched.
Olmecas de Tabasco On February 26, 2024, Wieland signed with the
Olmecas de Tabasco of the
Mexican League. In 9 games (6 starts) for Tabasco, he logged a 4–1 record and 2.95 ERA with 44 strikeouts across innings pitched.
Uni-President Lions On March 8, 2025, Wieland signed with the
Uni-President Lions of the
Chinese Professional Baseball League. He did not make an appearance for the Lions' main team, instead spending time with the farm team. On July 26, Wieland elected to retire from baseball, despite the Lions offering him a first team roster spot following the departure of
C. C. Mercedes. ==Coaching career==