MLB退休金计画，只要在大联盟年资满43天，就可在62岁之后年领3.4万美元
172天就算1年年资，随着年资越高，就可年领越多，最高级距即年资满10年
，未来每年可领18万美元
NBA也有这种退休金制度，google爬文结果如下：
这说不定也是Lin拒绝CBA的因素之一
Earning full vesting rights after three years of service in the league,
players can begin drawing their pension at age 50. The annual benefit,
for someone with the minimum service times, would be $19,160. With a decade
of playing time, the payment rises to $60,000. But patience has its rewards.
At age 62, those with three years in the league would get $60,000 and those
with 10 years, $200,000. Players are also eligible to participate in a 401(k)
plan, in which team contributions can be greater than player deferrals.
结论：还是MLB的门槛比较低登录满43天就有资格，NBA至少要三年
但NBA的退休金比MLB多一点