UPS is preparing for what could be the second-biggest employee strike to hit the delivery company since 1997.

The Georgia-based parcel service said it's clearing all of its freight shipments this week to ensure its network is completely empty by Friday, days before a massive strike could potentially start.

Up to 11,000 drivers, who are represented by the Teamsters union, may be on strike as early as Monday morning, as contract negotiations remain at a standstill.

All week, Teamster members across the country have been voting on UPS's "last, best, and final offer" contract with final votes expected to be tallied on Sunday. If a majority of members do not approve the contract, UPS Freight drivers will not go to work on Monday.

Read more at FoxNews.com.

