Ever see the video of Joe Webb leaping over seven workout bags stacked nearly 6 feet high? It’s quite impressive. Webb takes just a few steps and leaps over them.

It’s time for Webb to make another leap — right over Tarvaris Jackson and Brett Favre on the Vikings’ depth chart.

There are three games left in the most disappointing season in franchise history. The playoffs are a dead issue. Favre will be retiring, this time for good. We’ve all seen enough of T-Jack to know the Vikings would have to be addled to think he can be their starting quarterback next season. He showed again Monday night why he’s strictly backup material.

So with the season already swirling down the pipe, the Vikings should view these final games as an opportunity to see if Webb has a chance to develop as a quarterback.

It’s not as if playing Webb over Jackson would be more damaging to Leslie Frazier’s attempt to lock down the head coaching job.

Did you see Jackson against the Giants? That’s the kind of performance that does harm to job security.

The Vikings should spend the rest of the week giving Webb a crash course in starting instead of bracing for a crackup if he starts, which is kind of what they’re doing.

Vikings offensive coordinator Darrell Bevell should open the playbook and start tearing out pages, whittling down to a game plan that an experienced rookie with a ton of natural talent can handle.

You’d have to make some adjustments, for sure,” Frazier said of starting Webb. “You can’t completely open up everything for him. He has been our practice squad guy for 90 percent of the year. It would have to be different.”

The Vikings are 5-8.

You should want to be different.

Between now and the start of Thursday’s practice — players are off today — Frazier should be readjusting his way of thinking.

On Monday, he talked about the possibility of bringing in a quarterback off the street and starting him.

That wouldn’t be his first choice, of course.

He’d rather start Brett Favre or Tarvaris Jackson.

He’d rather not start Joe Webb.

“Only if Brett and Tarvaris definitely are out,” Frazier said, when asked about starting Webb. “One of those guys gives us the best chance to win.”

Wow. Really?

Favre has a swollen and numb right hand that was about as purple as the team jersey Monday night, and he still has that painful sprained shoulder. Meantime, Jackson has turf toe so severe that Frazier said it put his “availability in jeopardy” for Monday night’s game.

And despite their bruised and battered body parts, Frazier still would tilt to one of them over Webb as his starting quarterback.

“When you just consider how much he has played,” Frazier said after being asked how close he was, or how far off, to being comfortable with Webb as his quarterback. “He hasn’t played very much other than the preseason. It’s not the ideal situation. It may come to that just because of where our numbers are.”

He also would consider starting somebody who began the week as an out-of-work quarterback no other NFL team deemed suitable to carry on its roster this late in the season.

“Maybe,” Frazier said. “It depends on who that quarterback is and how comfortable we are with him. Even though he may know the system, we have to feel comfortable with his skill set. We know Joe pretty well. It’s just the inexperience you get a little concerned about.”

Bob Sansevere can be reached at bsansevere@ pioneerpress.com.