Raheem Mostert has officially signed a new contract with the Miami Dolphins. The veteran running back, who was signed by the team last season, has now penned down a contract extension.Mostert's new contract is reportedly a two-year deal worth $5.6 million. Out of this deal, $2.2 million is said to be guaranteed upon signing.The running back was a vital part of the Dolphins offense, averaging close to 5 yards per carry. He will now once again pad up alongside superstars Tyreek Hill and Tua Tagovailoa.This is part of the team's idea of preserving their core while adding several star talents to the mix. Alongside Mostert, the team also re-signed the likes of Duke Riley and Elijah Campbell among their 28 FAs.NFL@NFLDolphins to re-sign RB Raheem Mostert to 2-year, $5.6M deal with $2.2M guaranteed. (via @TomPelissero)2994221Dolphins to re-sign RB Raheem Mostert to 2-year, $5.6M deal with $2.2M guaranteed. (via @TomPelissero) https://t.co/fmb3FkIyAPMiami has already gone big this offseason, securing the trade of All-Pro caliber corner Jalen Ramsey from the LA Rams. Another interesting signing they completed was that of backup QB Mike White from the New York Jets.The Dolphins are clearly in win-now mode. Securing the services of a veteran running back like Mostert could be crucial to their bid to nail a Super Bowl run.Raheem Mostert salary: How much has Dolphins star earned over NFL career?Raheem Mostert was a bit of a journeyman early on in his career. Bouncing around teams, the running back finally stuck with the San Francisco 49ers for six years.The Dolphins picked him up as a free agent on a one-year deal in 2022 and thus the running back has so far earned $12,831,295 in earnings per Spotrac.Bobby Shouse@B_ShousejrThe Dolphins have Resigned Running Back Raheem Mostert! Let’s go! 🏎️ #FinsUp53451The Dolphins have Resigned Running Back Raheem Mostert! Let’s go! 🏎️👀 #FinsUp https://t.co/1HkJzRPQp9Of this amount, he has earned over $10 million as part of his base salary. He earned his first signing bonus worth $1 million USD back in 2019 while still on the 49ers roster.ALSO READ - Has Aaron Rodgers gone AWOL on Jets? NFL insider explains delay in massive tradeA former Purdue star, Mostert has come a long way since going as an undrafted free agent back in 2015. The running back now has the chance to add to his fairytale comeback by being crowned a Super Bowl champion with the Dolphins.