NFL-National Football League roundup

March 26 (The Sports Xchange) - New England Patriots linebacker Dont'a Hightower reportedly will be out six to seven months after undergoing surgery to repair a torn right labrum. Hightower had surgery Feb. 10, according to the Boston Globe. - - Indianapolis Colts coach Chuck Pagano reportedly turned down a one-year contract extension and will finish the final year of his deal in 2015. Pagano signed a four-year contract in 2012, and the Colts have won 11 games and reached the playoffs in each of Pagano's three years. He missed most of his first season while battling leukemia. - - Nebraska junior pass rusher Randy Gregory tested positive for marijuana at the NFL combine in February. Gregory is NFLDraftScout.com's No. 8 overall prospect in the draft. - - One year after the San Francisco 49ers traded for offensive tackle Jonathan Martin in the aftermath of a bullying incident in Miami, the team released him on Thursday. In Miami, Martin was the subject of alleged bullying from former teammate Richie Incognito and had left the team after starting 23 games over two seasons. - - The Minnesota Vikings signed Babatunde Aiyegbusi, a 6-foot-9, 351-pound offensive lineman from Poland, on Thursday. Aiyegbusi, 27, has played in Europe the past two years -- helping the Wroclaw Giants win the championship in the Polish American Football League and the Dresden Monarchs advance to the semifinals of the German Football League in 2014. - - Defensive tackle Pat Sims, who spent the last two seasons with the Oakland Raiders, returned to the Cincinnati Bengals. A third-round pick by the Bengals in 2008, Sims played his first five seasons in Cincinnati before signing with the Raiders in 2013. He signed another one-year deal with Oakland last year. - - Wide receiver Darrius Heyward-Bey re-signed with the Pittsburgh Steelers for one year. Heyward-Bey caught three passes in 16 games with the Steelers last season and is likely to be the team's fourth or fifth wide receiver, contributing mostly to special teams. - - New York Giants wide receiver Victor Cruz won't be rushed back from a torn patellar tendon and subsequent surgery last October. Coach Tom Coughlin said the timetable with Cruz is highly conservative, and the team is going to count on him only after seeing him back on the field. - - The murder trial of Aaron Hernandez was interrupted by a bomb threat at the Bristol Superior Court courthouse in Fall River, Mass., on Thursday afternoon. The threat was called in at about noon, and people were evacuated from the building and positioned on the other side of the street. The trial resumed after 2 p.m. following a search of the area. (Editing by Frank Pingue)