The Indianapolis Colts today signed running back Alvester Alexander and tackle Darrion Weems to the practice squad. The Colts released safety Latarrius Thomas from the practice squad. Alexander, 5-11, 204 pounds, was originally signed by the Colts as a free agent on August 15, 2012. He went undrafted out of Wyoming before signing with the Chicago Bears in April of this year. He was later released by the Bears in July before training camp. At Wyoming, Alexander led the team in rushing in 2009 and 2010 and amassed 2,127 rushing yards and 27 touchdowns for his career. He holds the school single-game record for most touchdowns scored (five vs. Colorado State in 2010) and ranks sixth in school history with 27 career touchdowns. Weems, 6-5, 320 pounds, signed as an undrafted free agent with the Minnesota Vikings on May 4, 2012. He was released by the Vikings on July 24, 2012 before signing with the New England Patriots three days later. He was released by the Patriots on August 31, 2012. Weems appeared in 41 games (22 starts) during his four seasons at Oregon. As a senior in 2011, he started 14 games and was part of an offensive unit that ranked third in the nation in scoring, fifth in rushing and sixth in total offense. As a junior, Weems played in 11 games, including seven starts and helped pave the way for the nation’s fourth-ranked rushing offense and the nation’s top running back LaMichael James. He was part of an offensive line that helped the Ducks rank first in the FBS in scoring offense (47.0 points per game) and total offense (530.7 yards per game). Thomas was originally signed by the Colts as an undrafted free agent on May 3, 2012