The 22-year-old Rizzo -- ranked by MLB.com as the No. 32 prospect in baseball entering the season -- batted .326 with nine doubles, a triple, 10 home runs and 23 RBIs in 26 games with Iowa in May. His 10 home runs were tied for the most in the Pacific Coast League, while his league-leading .758 slugging percentage contributed to a 1.160 OPS that ranked second in the league.
Francescon, 23, combined to go 3-1 with a 2.58 ERA and a complete game in six starts between Class A Peoria and Daytona. He limited hitters to a .187 batting average and struck out 26. He began the month with Peoria, going 3-0 with a 1.71 ERA in four starts, then was promoted to Daytona on May 21.