Kline, 23, joined the Patriots as a rookie free agent out of Kent State on May 3, 2013 and was released on Sept. 2, 2013. The 6-foot-3, 295-pounder saw action at right guard, right tackle and on special teams during his college career at Kent State. He earned second-team All-MAC honors as a senior in 2012.
Tarpinian, 25, originally joined the Patriots as a rookie free agent out of Iowa on July 27, 2011. He has rotated between the Patriots practice squad and the 53-man roster over the last two seasons. The 6-foot-3, 240-pounder has played in 10 NFL games with one start and has registered five total tackles on defense and eight tackles on special teams. He was released by the Patriots on Aug. 31, 2013 and signed to the practice squad on Sept. 1, 2013.