ANN ARBOR, Mich. (AP) — A man who confessed to robbing and killing Eastern Michigan University wide receiver Demarius Reed has been sentenced to 18 to 30 years in prison.

Kristopher Pratt apologized to the family of the 20-year-old Chicago native before Washtenaw County trial Judge Donald Shelton issued the sentence Tuesday.

Pratt pleaded guilty to second-degree murder as part of a deal that called on the 20-year-old Detroit man to testify against 21-year-old co-defendant Ed Thomas. A jury acquitted Thomas of murder and other charges on July 28.

Pratt says he shot Reed and that Thomas participated in the Oct. 18, 2013, robbery at an off-campus apartment in Ypsilanti.

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