Welker, 37, joins the 49ers after spending the previous two seasons (2017-18) as an offensive/special teams assistant with the Houston Texans.

Welker was hired by the Texans after a 12-year playing career with the San Diego Chargers (2004), Miami Dolphins (2004-06), New England Patriots (2007-12), Denver Broncos (2013-14) and St. Louis Rams (2015). He appeared in 175 games (102 starts) and registered 903 receptions for 9,924 yards and 50 touchdowns. On special teams, he returned 183 kickoffs for 4,138 yards (22.6 average) and one touchdown along with 264 punts for 2,584 yards. He also saw action in 13 postseason contests (11 starts) and added 88 receptions for 866 yards and five touchdowns. A four-time AP All-Pro [First-Team (2009 & 2011) & Second-Team (2007-08)] and five-time Pro Bowl (2009-13) selection, Welker appeared in three Super Bowls (XLII, XLVI & XLVIII) and registered 26 receptions for 247 yards. He either led the NFL or finished tied for the League lead in receptions three times in his career (2007, 2009 & 2011).

Welker, 37, joins the 49ers after spending the previous two seasons (2017-18) as an offensive/special teams assistant with the Houston Texans.

Welker was hired by the Texans after a 12-year playing career with the San Diego Chargers (2004), Miami Dolphins (2004-06), New England Patriots (2007-12), Denver Broncos (2013-14) and St. Louis Rams (2015). He appeared in 175 games (102 starts) and registered 903 receptions for 9,924 yards and 50 touchdowns. On special teams, he returned 183 kickoffs for 4,138 yards (22.6 average) and one touchdown along with 264 punts for 2,584 yards. He also saw action in 13 postseason contests (11 starts) and added 88 receptions for 866 yards and five touchdowns. A four-time AP All-Pro [First-Team (2009 & 2011) & Second-Team (2007-08)] and five-time Pro Bowl (2009-13) selection, Welker appeared in three Super Bowls (XLII, XLVI & XLVIII) and registered 26 receptions for 247 yards. He either led the NFL or finished tied for the League lead in receptions three times in his career (2007, 2009 & 2011).

A native of Oklahoma City, OK, Welker played wide receiver at Texas Tech University, where he finished with 259 receptions for 3,019 yards and 21 touchdowns to go along with 79 rushing attempts for 456 yards and two touchdowns. As a punt returner, he scored eight touchdowns in his collegiate career, which was tied for the NCAA record. In 2003, Welker won the Mosi Tatupu Award, given annually to the best special teams player in college football.