TEMPE, Ariz. -- Here are five things to know about new Arizona Cardinals assistant coach Jen Welter, who is believed to be the first female coach in the NFL:
Welter, 37, was hired by the Texas Revolution of the Champions Indoor Football league in February to coach linebackers and special teams.
At 5-foot-2, 130 pounds, she became the first woman to play a non-kicking position in a men's professional football league in 2014 when she suited up as a running back and special teams player for the Revolution.
Welter has a master's degree in sports psychology and a Ph.D in psychology.
She won gold medals in 2010 and 2013 as a member of Team USA at the IFAF Women's World Championship.
She played rugby at Boston College and played professional football for more than 14 years in women's leagues. She helped the Dallas Diamonds of the Women's Football Alliance win four titles.