 ROCKFORD, Mich.--BUSINESS WIRE--Wolverine World Wide, Inc. NYSE: WWW today reported financial results for the first quarter ended April 3, 2021, and updated its full 2021 fiscal year revenue and earnings outlook. We believe 2021 will be a breakthrough year for the Company, and our first quarter performance was an excellent start, said Blake W. Krueger, Wolverine Worldwides Chairman and Chief Executive Officer. In the first quarter, Merrell revenue grew nearly 25, and Saucony revenue wa 