FILE - In this May 7, 2016, file photo, Denver Broncos special teams coach Joe DeCamillis, left, and defensive coordinator Wade Phillips watch during the team's NFL rookie camp football practice in Englewood, Colo. DeCamillis insists he doesn't see stepping in for ailing coach Gary Kubiak as an audition for a head coaching job in the NFL, but Phillips thinks that's exactly what this is. (AP Photo/David Zalubowski, File)
SAN DIEGO (AP) Ever the optimist, Philip Rivers has chosen to laugh to keep from crying as the pratfalls pile up for the San Diego Chargers, although he did seem misty-eyed as he tried to explain a particularly brutal collapse against New Orleans two weeks ago.
Is there more pain in store for the Chargers, who have led at halftime in all five games and at the two-minute warning in their first four games, and have scored at least 31 points three times, yet are 1-4?
If so, it will be on display for a national TV audience when the Chargers host the five-time AFC West champion Denver Broncos (4-1) Thursday night.
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Rivers sure hopes not, although he knows the Chargers aren't trying to fumble, throw interceptions, miss tackles and otherwise botch games.
''It's the mental challenge, really, now,'' Rivers said. ''Are we going to find a way to win, or are we going to find a new way'' to lose?
''Hopefully we've ran out of ways.''
The Chargers blew late leads in losses at Kansas City and Indianapolis, and at home against the Saints.
Then came last week, when another fumble by Melvin Gordon and another shank by rookie punter Drew Kaser allowed the Raiders to take the lead with almost 13 minutes to play. A botched hold by Kaser on a potential tying field goal with 2:07 left sealed the face-plant.
Coach Mike McCoy's job could be on the line, and the Chargers aren't helping their already longshot chances of getting voters to approve a $1.1 billion public handout for a new stadium on Election Day.
The defending Super Bowl champion Broncos have problems of their own. Coach Gary Kubiak was ordered by doctors to sit this one out because of a migraine condition that mimics strokes.
Special teams coordinator Joe DeCamillis was named acting head coach for this game. Trevor Siemian is expected to return as quarterback for Denver after rookie Paxton Lynch struggled in a loss to the Falcons.
Here are some things to look for as the Broncos try for their 16th straight division road victory while the Chargers try to end their division losing streak at 10:
HEAD COACH: Denver's DeCamillis said he'd love to be a head coach in the NFL someday, but he's not viewing this as an audition. ''You always think about it. I interviewed for the Chicago job so you think about it,'' he said. ''I don't really look as this opportunity as that, to be honest with you. I look at helping an organization and helping a friend and a coach. That's what I'm doing. I'm going to try everything that I can to help this organization get through this little bump in the road then we'll go from there.''
QB QUANDARY: Siemian, who bruised his left A.C. joint in Denver's 27-7 win at Tampa Bay, was expected to get the starting nod against Atlanta, but the Broncos deemed he wasn't ready and went with rookie Paxton Lynch instead. Lynch was the one who showed he wasn't ready. His poor footwork cost him a touchdown throw to a wide open Emmanuel Sanders and he constantly held onto the ball too long. It didn't help that RG Ty Sambrailo was a turnstile, allowing three sacks before being benched. Siemian is expected to return to the starting role.
HOT SEAT: McCoy was Denver's offensive coordinator when he was hired by the Chargers in January 2013 to replace the fired Norv Turner. McCoy turned in two 9-7 seasons, including a playoff win and loss after the 2013 season, before the Bolts collapsed to 4-12 last season. The Chargers are 24-31 under McCoy and general manager Tom Telesco, also hired in January 2013. The last time the Chargers fired a coach during a season was when Kevin Gilbride lost his job six games into the 1998 season. The Chargers also fired legendary coach Don Coryell eight games into the 1986 season. The Chargers are 5-16 since John Spanos, the grandson of owner Alex Spanos, was promoted to president of football operations in May 2015. John Spanos had a big hand in hiring Telesco and McCoy.
SATISFIED QB: Some pundits have suggested the Chargers should trade Rivers rather than continuing to waste his career. Rivers disagrees, saying he's been blessed to play in San Diego and raise his family here. ''There doesn't need to be any sympathy for me,'' said Rivers, who led the Chargers to the playoffs in his first four years as a starter. If form holds, San Diego will miss the playoffs for the sixth time in the past seven seasons.
JOEY BOSA: The Chargers' rookie defensive end had a nice NFL debut with two sacks and three tackles for losses in 27 snaps. Fans were left to wonder what could have been if Bosa hadn't missed all of training camp in a nasty contract dispute and then pulled a hamstring. Bosa said he's seen a change in fans' attitude toward him. ''It's pretty funny. It's like, `Oh, dude, I hated you. And now I just bought your jersey.' It's like, `All right, buddy. Thanks.' It's how it is with anything, really.''
AP Pro Football Writer Arnie Stapleton in Denver contributed.
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