Boston kids to get wake-up calls from Big Papi

BOSTON -- Nothing like a pre-dawn phone call from Red Sox slugger David Ortiz to get you out of bed in the morning.

At least that's the idea behind a Boston Public Schools initiative that starts next month, when middle- and high-school students will be able to sign up for wake-up calls from Big Papi.

"Wake up! It's David Ortiz of the Boston Red Sox. Get out of bed and get ready for school. Your future is yours," he says on the calls.

The 40-year-old All-Star designated hitter has said he'll retire after this season. He leads the majors in slugging percentage, on-base average and extra-base hits this year.

Boston schools superintendent Tommy Chang said Monday the goal of the Ortiz calls is to…