Players can be placed on injured reserve list or the physically unable to perform list, requiring significant time away from the field.

It wasn’t the most highlight filled day, but there were some key takeaways from another sweltering late July practice.

The Indianapolis Colts wrapped up their fourth training camp practice on Saturday. They now have Sunday off before they return to the field on Monday, and the pads will be on for that practice. But before we look to what's ahead, let's take a look back at what took place in practice No. 4 with the three big things to know.