OWINGS MILLS, Md. -- Baltimore Ravens rookie tight end Nick Boyle was suspended without pay for the final four games of the regular season for violating the NFL policy on performance-enhancing substances.
Boyle's suspension begins immediately, which leaves Baltimore with no healthy tight ends currently on the 53-man roster.
Starting tight end Crockett Gillmore left Sunday's game in the first half with a back injury and didn't return. Maxx Williams, the rookie second-round pick, missed Sunday's game with a concussion.
The Ravens have one tight end on the practice squad in Konrad Reuland.