Despite only three practices, we've seen plenty from the Steelers at training camp and here is what we've learned so far.

Pittsburgh Steelers starting left guard Isaac Seumalo was placed on the non-football injury list with a soft tissue injury, but it is not a severe injury, according to Gerry Dulac of the Pittsburgh Post-Gazette.

The Steelers' decision to part with Harris was both a reflection on their faith Warren and their desire to add some outside speed to the position. That ultimately led to the Steelers drafting Warren's new backfield mate, Kaleb Johnson .

The narrative surrounding Tomlin is all about the fact that he's been the Steelers' head coach and has never had a losing season. NFL Network reporter Kyle Brandt asked Tomlin about this streak during an interview at Steelers training camp and Tomlin's answer was exactly as expected.

While Tomlin frequently called Harris a “bell cow," the reality is that the Steelers split playing time pretty evenly between Harris and Warren a year ago. Harris was on the field for 50% of Pittsburgh's offensive snaps. Warren was out there 40% of the time.

Pittsburgh Steelers linebacker Patrick Queen didn't hide his delight after intercepting the pass of superstar Aaron Rodgers at training camp.

As the sun elbowed its way through the clouds after heavy rain earlier Saturday morning, the […] This article originally appeared on Steelers Now: Steelers Sights & Sounds: Defense Stands Out Without Watt,