Under Armour won’t begin supplying Major League Baseball uniforms until 2020, returning to the original schedule and abandoning a plan to accelerate the rollout a year earlier, according to officials familiar with the plans.
Major League Baseball and the Baltimore-based sports apparel and footwear brand decided that transitioning from Majestic Athletic to Under Armour as the official uniform provider by next season was not feasible.
Under the new timetable, Majestic will continue making the uniforms in 2019.
Major League Baseball is the first of the major professional sports leagues for which Under Armour will provide all the game uniforms. The brand’s logo will...