Throughout the 2017 season, The Buffalo News will track the performances of players from both Western New York and local colleges who are currently in the NFL. Here are their results in Week Four:
• Eagles S Corey Graham: The Buffalo native missed his second straight game -- after playing in 159 straight -- because of a hamstring injury. He sat out Philadelphia's 26-24 win over the L.A. Chargers.
• Eagles DE Steven Means: The Buffalo native and University at Buffalo graduate was active for the first time this season. He played four defensive snaps (7 percent) and eight on special teams (30 percent) in the Eagles' win, although he did not record any statistics.
• Browns C J.C. Tretter: The Akron product started and played all 65 offensive snaps for Cleveland in a 31-7 loss to Cincinnati. Tretter signed with the Browns this offseason after spending the first four years of his career with the Packers, who selected him in the fourth round of the 2013 NFL Draft.
• Patriots TE Rob Gronkowski: The Amherst native had four catches for 80 yards in a 33-30 loss to Carolina. Gronkowski played all 70 offensive snaps for the Patriots.
• Titans P Brett Kern: The Grand Island native punted five times for 246 yards, averaging 49.2 gross yards and 48.4 net yards, in a 57-14 loss to Houston. He had a long punt of 54 yards and placed one of his punts inside the Texans' 20-yard line. Tennessee allowed just 4 yards on punt returns.
• Titans RB David Fluellen: The Lockport native had one carry for 3 yards in the loss to Houston. He played two snaps on offense (5 percent) and 21 snaps on special teams (64 percent) in the loss to the Texans.
Local college players
• Raiders DE Khalil Mack (University at Buffalo): The No. 5 overall pick in the 2014 draft by Oakland, Mack had seven tackles, two sacks and four quarterback hits in a 16-10 loss to Denver. He played 53 of 64 defensive snaps (83 percent) and seven on special teams (25 percent).
• Panthers TE Chris Manhertz (Canisius): A former basketball player at Canisius, Manhertz played 17 offensive snaps (27 percent) and 12 on special teams (43 percent) in a 33-30 win over New England. He did not record any statistics.
• Chargers RB Branden Oliver (UB): Oliver ran two times for 1 yard in a 26-24 loss to Philadelphia. He caught one pass for 2 yards in playing 12 offensive snaps (21 percent) and six on special teams (22 percent).
Note: Former UB tight end Mason Schreck is on injured reserve with the Bengals because of a knee injury.