Amazon is giving a pay boost to its subcontracted delivery drivers amid growing union pressure. The company announced Thursday that drivers who work with its Delivery Service Partners will earn an average of nearly $22 per hour,

Hundreds of delivery drivers for e-commerce giant Amazon.com have joined the International Brotherhood of Teamsters, seeking improved wages, working conditions and safety standards, the labor union said on Monday.

Hundreds of Amazon drivers at a delivery station in Queens, New York, marched on their bosses today to announce they are joining the Teamsters. They are demanding the logistics giant recognize their union and negotiate a contract.