The last time Mason Brodine lined up at tight end, he was playing eight-man football for the Elm Creek High Buffaloes in Nebraska. “I was an eligible tackle, basically, so this is different, a lot different,’’ said Brodine, a former defensive lineman who has spent the past two seasons on the Rams’ practice squad. “The coaches asked if I’d be willing to help the team out by playing tight end. I’m always willing to help the team. “Physically, it’s not that much of a difference other than a little more open-field running, but I’m working on the playbook — it’s a little bigger for the offense — and doing my best to work on my technique.’’ Brodine, who figures he still needs to drop a few pounds from his 6-foot-7, 284-pound frame, played at the University off Nebraska-Kearney and was signed as a free agent by Oakland. He spent much of the 2011 season on the Raiders’ practice squad but did see action in a pair of late-season games. Oakland cut him just before the start of the 2012 season, and he was claimed off waivers by the Rams.