According to MLB Trade Rumors, the Super Two cutoff this offseason is expected to be 2.140 years of service time. This would prevent a pair of SF Giants in Patrick Bailey and Ryan Walker from reaching arbitration one season early.
A pair of SF Giants players likely to miss cutoff to reach arbitration early
Typically, players reach arbitration once they accrue three years of service time. During this process, they can expect to see notable raises with each trip through arbitration.
There is a small segment of players who reach arbitration early, thereby getting a fourth year through this process.