ALAMEDA Austin Bryant Jersey , Calif. (AP) —running back Doug Martin for a second season.The Raiders also released tight end Lee Smith and signed five draft picks to contracts Thursday.Oakland finalized the deal with the 30-year-old Martin after Isaiah Crowell reportedly went down with an Achilles injury earlier this week. Martin had 172 carries for 723 yards and four touchdowns for the Raiders last season. His return gives the Raiders a veteran back behind rookie first-round pick Josh Jacobs.Smith joined the Raiders as an unrestricted free agent in 2015 and was let go after the team drafted Foster Moreau in the fourth round last week. Smith played 51 games for Oakland, with 36 receptions for 248 yards with four touchdowns.The Raiders signed Moreau, fourth-round defensive end Maxx Crosby, fourth-round cornerback Isaiah Johnson, fifth-round receiver Hunter Renfrow and seventh-round defensive end Quinton Bell. Josh Jacobs is averaging just over 15 touches a game Rashan Gary Jersey , but only one of his 46 touches is a reception.The Raiders running back has one catch for 28 yards, and that came in the season opener. He has had only two targets since, with both of those coming Sunday.“Yeah, we’re trying,” Raiders coach Jon Gruden said Monday Darnell Savage Jr. Jersey , via Jimmy Durkin of TheAthletic.com. “We definitely do want to get Josh to be a big part of the passing game. No doubt. We certainly do. We’d like to get more out of Jalen Richard as well. All of our backs. We take a lot of pride in using our backs in the passing game. You are right, though, 100 percent. We’ve got to get more out of Josh as a receiver.”The Raiders running backs have combined for eight receptions for 70 yards.Jacobs made 48 receptions in his three seasons at Alabama, gaining 571 yards and scoring five touchdowns.He has made an impact as a runner, with 45 rushes for 288 yards and two touchdowns through three games Elgton Jenkins Jersey , but Jacobs could become an even bigger part of the offense.