Free-agent running back Alexander Mattison is visiting with the Las Vegas Raiders on Monday, according to sources. Multiple teams are in play for Mattison this point after he was cut by the Minnesota Vikings this offseason. Mattison took over the Vikings' lead-back role in 2023 after the team moved on from Dalvin Cook, but Mattison didn't impress with the extra playing time, averaging 3.9 yards per carry on a career-high 180 rushing attempts while running for 700 yards and no touchdowns in 16 ...