The discussion around the San Francisco 49ers has been reaching in this year's draft , but one name that should be added to the discussion is a reach that they made last year. Everything the 49ers have done this offseason signals that linebacker Nick Martin is on the roster bubble and may get cut after just one year.  The San Francisco 49ers may face a tough decision with Nick Martin  After being drafted in the third round, Martin did not even get special teams snaps with the 49ers until week 7. After getting limited work on defense in week 11, he got hurt in week 12, after totalling 15 snaps between the two games. He was unable to return for the rest of the season. It was a disappointing year, and to many fans they saw it coming. While the 49ers are not quite ready to give up on him, he is going to be in a roster crunch. Fred Warner and Dre Greenlaw are the starters in two linebacker looks, and Luke Gifford would take the SAM role, as a much bigger linebacker than Martin.…