Smotherman was born in Corvallis, Oregon and moved to Binghamton, New York at the age of 2 before his family settled in Westborough, Massachusetts at the age of 10. Upon joining the Quebec Remparts, he went by the name Jordan LaVallée in order to connect with the Quebec fanbase, as his mother Maureen was French Canadian. He was a member of the 2006 Memorial Cup champion Quebec Remparts, as one of six New England natives who played on the Remparts roster. He was drafted by the Atlanta Thrashers in the 4th round, 116th overall, of the 2005 NHL Entry Draft. His first National Hockey League goal was scored in his second game with the Thrashers in a 2-point effort against Craig Anderson of the Florida Panthers on April 1, 2008 in a 3-2 Thrashers loss. After spending the majority of his three-year tenure within the Thrashers organization with AHL affiliate, the Chicago Wolves, at the start of the 2009–10 season on October 8, 2009, the Thrashers traded Smotherman to the Columbus Blue Jacketsin return for future considerations. He was then assigned to AHL affiliate, the Syracuse Crunch for the entirety of the year posting 10 goals and 32 points in 78 games with the Crunch. Prior to the 2010–11 season, Smotherman was invited to the Boston Bruins training camp but was released on September 22, 2010 and was reassigned and later signed to the Providence Bruins. Was the 2008 Man of the year award winner in Chicago, received the 2008 Hometown Hero award from the Chicago sports awards, won the 2008 Dan Snyder award from the Chicago wolves, and was given the 2009 Man of the year award in Syracuse. Smotherman joined GET-ligaen club EfB Esbjerg for the 2011-12 season. For the 2012–13 season, Smotherman joined Tingsryd AIF in the Swedish second-tier league HockeyAllsvenskan. While the team finished second to last in the series and was relegated to Swedish third-tier league Division 1, only one player in the entire league scored more than his 24 goals. For the 2013–14 season he joined Karlskrona HK of the HockeyAllsvenskan and transferred to fellow Rögle BK during the 2014–15 season. After helping Rögle earn promotion from HockeyAllsvenskan to the Swedish Hockey League, the highest level professional competition in Sweden, he re-signed with the club and appeared in 52 SHL contests in 2015-16, helping Rögle to stay in the league. On June 10, 2016, Smotherman moved to Germany, signing with the Iserlohn Roosters of the country's top-flight Deutsche Eishockey Liga. In the pre-season with the Roosters, Smotherman and the Roosters opted to terminate his contract, due to personal reasons. Smotherman returned home to North America, and opted to resume his career in the ECHL with the Manchester Monarchs for the 2016–17 season. In contributing with 20 points in 18 games and experiencing a brief stint in the AHL with the Springfield Thunderbirds, Smotherman returned to Sweden in agreeing to a contract with Modo Hockey of the second divisionAllsvenskan on January 17, 2017. Smotherman played out the season with Modo, collecting 8 goals in 14 games. As a free agent, Smotherman returned to link up again with the Manchester Monarchs of the ECHL on August 4, 2017. In the 2017–18 season, Smotherman led the Monarchs with 72 points in 69 games earning a place in the ECHL First All-Star Team. On May 30, 2018, Smotherman signed for a second time with the Iserlohn Roosters of the DEL on a one-year deal. Smotherman signed for the Belfast Giants of the UKEIHL in February 2019, later going on to score the winning goal in the 2018-19 EIHL Challenge Cup final against the Guildford Flames. The winger re-signed with Belfast for the 2019-20 season, and took on the role of player-assistant coach to head coach Adam Keefe. Smotherman announced his departure from Belfast in a social media post in July 2020. On 8 July 2020, it was announced Smotherman had returned to the ECHL for the 2020–21 season by signing a contract with the Worcester Railers.
