METAIRIE, La. (AP) New Orleans Saints general manager Mickey Loomis says the club has signed tight end Garrett Griffin and has waived defensive lineman Mitchell Loewen because of a non-football injury.

The 6-foot-4, 240-pound Griffin, whose signing was announced Monday evening, is an undrafted rookie out of Air Force, where he played the past four college seasons.

A native of Louisburg, Kansas, Griffin played in 44 games with 17 starts for Air Force, catching 41 passes for 670 yards and eight touchdowns.

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Last season, Griffin missed his first five games while recovering from a knee injury, but returned for eight games in which he caught 12 passes for 208 yards and three touchdowns.

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