After a productive start to his rookie campaign, the Dallas Mavericks are expected to convert two-way guard Ryan Nembhard to a standard contract this season.Nembhard is averaging 8.6 points, 4.6 assists and 1.5 rebounds on 50% shooting from 3-point range in 10 appearances with the Mavericks. He ranks ninth among all rookies in assists (46) and is tied for the second-most double-doubles (2).The 6-footer has filled in as their starting point guard over the past four games, averaging 17 points, 7.5 assists and 2.8 rebounds on 66.7% shooting from beyond the arc (12-of-18). He appears to have earned a full-time contract, according to Marc Stein of The Stein Line on Substack.League sources tell The Stein Line that the Mavericks have already committed to converting Nembhard to a standard contract as soon as they can. They don’t have the financial wiggle room under the second apron of the league’s luxury tax system to do so until early January as their roster stands …Nembhard on Monday became the first undrafted rookie in the modern draft era (1967) to record at least 25 points and 10 assists in a game without a turnover. He is one of three overall rookies to accomplish that feat, and the first since Stephon Marbury in November 1996.The 22-year-old followed that performance by recording 15 points, 13 assists, five rebounds and one steal with one turnover on Wednesday. He is the first undrafted rookie with at least 15 points and 10 assists in consecutive games in history.Nembhard impressed coach Jason Kidd and the rest of the team throughout training camp with his ability as a floor general who can make plays for others. He has played a key role to start the season and looks to have secured his long-term future in the process.This article originally appeared on Rookie Wire: Rumor: Mavs ‘committed’ to converting Ryan Nembhard to standard deal