Jack Magruder reports that the Diamondbacks are about to extend Chris Young for five years:

With opening day festivities today, the D-Backs are expected to announce the deal Tuesday.

Young's contract, which buys out all his arbitration years and includes a team option on a year of free agency, is near the six-year, $31 million extension signed by Colorado shortstop Troy Tulowitski on Jan. 23, according to a league source.

Tulowitzki's contract is a record for a player with one-plus years of major league service time.

Young, 24, is tied for the major league lead with three home runs after becoming the first rookie in league history with 30 home runs and 25 stolen bases last season, when he had 32 homers and 27 steals.

Locking up young players through their arbitration years is very popular this season. It's a great, cost controlling move, especially if teams expect baseball's revenues to keep growing.