Chauncey Billups poured in 29 points and Rasheed Wallace contributed 17 points and 12 rebounds, as the Detroit Pistons evened their Eastern Conference semifinal series against Indiana at two games apiece with an 89-76 victory over the Pacers at Conseco Fieldhouse. Richard Hamilton scored 13 points and handed out seven assists for Detroit, which responded after dropping Games 2 and 3 of the best-of-seven set. Antonio McDyess had 12 points for the defending champion Pistons, who will host Game 5 on Tuesday. Stephen Jackson paced Indiana with 23 points. Jamaal Tinsley chipped in 17 points and Jermaine O'Neal collected 10 points and 13 boards for the Pacers, who have lost nine of their last 12 Game 4s in the postseason. O'Neal was only 4-of-15 from the floor. Final Score: Seattle 101, San Antonio 89 Seattle, WA (Sports Network) - Ray Allen poured in 32 points, and the Seattle SuperSonics evened their Western Conference semifinal series against San Antonio at two games apiece with a 101-89 victory over the Spurs on Sunday. Luke Ridnour scored 15 of his 20 points in the third quarter and Antonio Daniels added 19 points for the Sonics, who led wire-to-wire for their second straight win in this best-of-seven series. Game 5 is scheduled for Tuesday in San Antonio, where the Spurs won the first two games by a combined 39 points. Tim Duncan had 35 points and 10 rebounds to lead San Antonio. Manu Ginobili added 15 points off the bench, and Tony Parker scored 12 on just 5-of-13 shooting in the loss. Final Score: Dallas 119, Phoenix 109 Dallas, TX (Sports Network) - Josh Howard had 29 points and Dirk Nowitzki added 25, leading the Dallas Mavericks to a 119-109 victory over the Phoenix Suns in Game 4 of their Western Conference semifinal series on Sunday. League MVP Steve Nash poured in a career-high 48 points to lead the Suns, scoring 35 of those points in the second half. But despite his career performance, Phoenix could not stop Dallas from evening the best-of-seven- series at 2-2. Jerry Stackhouse collected 22 points off the bench for the Mavericks, who built a 16-point lead by halftime. Erick Dampier added 13 points and 11 rebounds in the victory. The teams have alternated wins and losses so far. Game 5 is scheduled for Wednesday in Phoenix, where the Suns scored 233 points over the first two games, but came away with just one win. Shawn Marion had 19 points and a game-high 12 rebounds in the loss for Phoenix. Amare Stoudemire added 15 points, Quentin Richardson scored 13 and Jim Jackson had 11.