The highlight of the Arizona Cardinals' fifth training camp practice came when Marvin Harrison Jr. made a leaping one-handed grab over Denzel Burke.

The Cardinals have six lineman locked in for the roster. The other three or four roster spots are up for grabs.

Will Johnson, Marvin Harrison Jr, Trey McBride have shined thus far after the first week of Arizona Cardinals' training camp

The Arizona Cardinals have a number of notable position battles as they have begun training camp. Some battles are for starting jobs, while others are for key reserve spots. A pair of positions believed to have key battles — right guard and "Mike" linebacker — seem to be set with new starters. Others, though, have intrigue.

Then-newcomer Mack Wilson Sr. played 75 percent (763 snaps) at Will linebacker with 2023 fifth-round pick Owen Pappoe his backup. Added to the roster shortly after the league year began on March 12 were Akeem Davis-Gaither and Mykal Walker, followed by the selection of Cody Simon in the fourth round of the draft.

Former NFL great J.J. Watt, a one-time member of the Arizona Cardinals, was right when he said keeping stats in training camp is ridiculous.

The Arizona Cardinals have a number of notable position battles as they have begun training camp. Some battles are for starting jobs, while others are for key reserve spots. A pair of positions believed to have key battles — right guard and "Mike" linebacker — seem to be set with new starters. Others, though, have intrigue.

The Arizona Cardinals open training camp on July 23, at State Farm Stadium in Glendale. Here are five key questions for the next two weeks.